Numbers

#	Fermat = 2^{2^N}+1	Twin = (N, N+2)		Mersenne = 2^N-1	Repunit = 11...11 (N digits)	Circular	Period	Prime	Multiplicative Persistence
1	0	3	5	2	2	2	1	3	0
2	1	5	7	3	19	3	2	11 (R₂)	10
3	2	11	13	5	23	5	3	37	25
4	3	17	19	7	317	7	4	101	39
5	4	29	31	13	1,031	11	5	41	77
6	5	41	43	17	49,081	13	6	7	679
7	6	59	61	19	86,453	17	7	239	6,788
8	7	71	73	31	109,297	37	8	73	68,889
9	8	101	103	61	270,343	79	9	333,667	2,677,889
10	9	107	109	89	5,794,777	113	10	9,091	26,888,999
11	10	137	139	107	8,177,207	197	11	21,649	3,778,888,999
12	11	149	151	127		199	12	9,901	277,777,788,888,899
13	12	179	181	521		337	13	53
14	13	191	193	607		1,193	14	909,091
15	14	197	199	1,279		3,779	15	31
16	15	227	229	2,203		11,939	16	17
17	16	239	241	2,281		19,937	17	2,071,723
18	17	269	271	3,217		193,939	18	19
19	18	281	283	4,253		199,933	19	R₁₉
20	19	311	313	4,423		R₁₉	20	3,541
21	20	347	349	9,689		R₂₃	21	43
22	21	419	421	9,941		R₃₁₇	22	23
23	22	431	433	11,213		R_1,031	23	R₂₃
24	23	461	463	19,937		R_49,081	24	99,990,001
25	24	521	523	21,701		R_86,453	25	21,401
26	25	569	571	23,209		R_109,297	26	859
27	26	599	601	44,497		R_270,343	27	757
28	27	617	619	86,243			28	29
29	28	641	643	110,503			29	3,191
30	29	659	661	132,049			30	211
31	30	809	811	216,091			31	2,791
32	31	821	823	756,839			32	353
33	32	827	829	859,433			33	67
34	36	857	859	1,257,787			34	103
35	37	881	883	1,398,269			35	71
36	38	1,019	1,021	2,976,221			36	999,999,000,001
37	39	1,031	1,033	3,021,377			37	2,028,119
38	42	1,049	1,051	6,972,593			38	909,090,909,090,909,000
39	43	1,061	1,063	13,466,917			39	900,900,900,900,991,000,000,000
40	48	1,091	1,093	20,996,011			40	1,676,321
41	52	1,151	1,153	24,036,583			41	83
42	55	1,229	1,231	25,964,951			42	127
43	58	1,277	1,279	30,402,457			43	173
44	61	1,289	1,291	32,582,657			44	89
45	62	1,301	1,303	37,156,667			45	238,681
46	63	1,319	1,321	42,643,801			46	47
47	64	1,427	1,429	43,112,609			47	35,121,409
48	66	1,451	1,453	57,885,161			48	9,999,999,900,000,000
49	71	1,481	1,483	74,207,281			49	505,885,997
50	72	1,487	1,489	77,232,917			50	251
51	73	1,607	1,609	82,589,933			51	613
52	75	1,619	1,621	136,279,841			52	521
53	77	1,667	1,669				53	107
54	81	1,697	1,699				54	70,541,929
55	83	1,721	1,723				55	1,321
56	88	1,787	1,789				56	7,841
57	90	1,871	1,873				57	21,319
58	91	1,877	1,879				58	59
59	93	1,931	1,933				59	2,559,647,034,361
60	94	1,949	1,951				60	61
61	96	1,997	1,999				61	733
62	99	2,027	2,029				62	909,090,909,090,909,100,000,000,000,000
63	107	2,081	2,083				63	10,837
64	116	2,087	2,089				64	19,841
65	117	2,111	2,113				65	162,503,518,711
66	122	2,129	2,131				66	599,144,041
67	125	2,141	2,143				67	493,121
68	133	2,237	2,239				68	28,559,389
69	142	2,267	2,269				69	277
70	144	2,309	2,311				70	4,147,571
71	146	2,339	2,341				71	241,573,142,393,627,680,000,000,000,000
72	147	2,381	2,383				72	3,169
73	150	2,549	2,551				73	12,171,337,159
74	164	2,591	2,593				74	7,253
75	172	2,657	2,659				75	151
76	178	2,687	2,689				76	722,817,036,322,379,000
77	184	2,711	2,713				77	5,237
78	201	2,729	2,731				78	157
79	205	2,789	2,791				79	317
80	207	2,801	2,803				80	5,070,721
81	215	2,969	2,971				81	163
82	226	2,999	3,001				82	2,670,502,781,396,267,000
83	228	3,119	3,121				83	3,367,147,378,267
84	230	3,167	3,169				84	226,549
85	232	3,251	3,253				85	262,533,041
86	250	3,257	3,259				86	57,009,401
87	251	3,299	3,301				87	4,003
88	255	3,329	3,331				88	617
89	256	3,359	3,361				89	497,867
90	259	3,371	3,373				90	29,611
91	267	3,389	3,391				91	547
92	268	3,461	3,463				92	1,289
93	275	3,467	3,469				93	900,900,900,900,901,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000
94	284	3,527	3,529				94	6,299
95	286	3,539	3,541				95	191
96	287	3,557	3,559				96	97
97	297	3,581	3,583				97	12,004,721
98	298	3,671	3,673				98	197
99	301	3,767	3,769				99	199
100	316	3,821	3,823				100	60,101
101	329	3,851	3,853				101	4,531,530,181,816,613,300,000,000,000
102	334	3,917	3,919				102	291,078,844,423
103	338	3,929	3,931				103	1,031
104	343	4,001	4,003				104	1,580,801
105	353	4,019	4,021				105	30,703,738,801
106	370	4,049	4,051				106	9,090,909,090,909,091,000,000,000,000,000,000,000,000,000,000,000,000
107	375	4,091	4,093				107	643
108	376	4,127	4,129				108	109
109	380	4,157	4,159				109	1,192,679
110	398	4,217	4,219				110	331
111	416	4,229	4,231				111	30,557,051,518,647,308
112	417	4,241	4,243				112	113
113	431	4,259	4,261				113	227
114	452	4,271	4,273				114	1,458,973
115	468	4,337	4,339				115	31,511
116	480	4,421	4,423				116	349
117	544	4,481	4,483				117	240,396,841,140,769
118	547	4,517	4,519				118	1,889
119	556	4,547	4,549				119	923,441
120	569	4,637	4,639				120	100,009,999,999,900,000,000,000,000,000,000
121	579	4,649	4,651				121	15,973
122	600	4,721	4,723				122	81,131
123	620	4,787	4,789				123	1,811,791
124	635	4,799	4,801				124	2,049,349
125	637	4,931	4,933				125	751
126	642	4,967	4,969				126	5,274,739
127	667	5,009	5,011				127	18,797
128	692	5,021	5,023				128	1,265,011,073
129	723	5,099	5,101				129	210,769,832,431
130	744	5,231	5,233				130	131
131	851	5,279	5,281				131	80,173
132	885	5,417	5,419				132	5,419,170,769
133	906	5,441	5,443				133	1,597
134	931	5,477	5,479				134	909,090,909,090,909,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000
135	971	5,501	5,503				135	1,577,071
136	1,069	5,519	5,521				136	152,533,657
137	1,082	5,639	5,641				137	2,467
138	1,114	5,651	5,653				138	31,051
139	1,123	5,657	5,659				139	119,124,859,925,363
140	1,160	5,741	5,743				140	421
141	1,225	5,849	5,851				141	283
142	1,229	5,867	5,869				142	290,249
143	1,394	5,879	5,881				143	2,823,679
144	1,451	6,089	6,091				144	8,929
145	1,551	6,131	6,133				145	9,605,671
146	1,598	6,197	6,199				146	293
147	1,710	6,269	6,271				147	63,799
148	1,722	6,299	6,301				148	149
149	1,849	6,359	6,361				149	12,517
150	1,945	6,449	6,451				150	10,000,099,999,999,990,000,000,000,000,000,000,000,000
151	1,990	6,551	6,553
152	2,023	6,569	6,571
153	2,059	6,659	6,661
154	2,089	6,689	6,691
155	2,456	6,701	6,703
156	3,310	6,761	6,763
157	3,506	6,779	6,781
158	3,723	6,791	6,793
159	4,250	6,827	6,829
160	4,258	6,869	6,871
161	4,332	6,947	6,949
162	4,724	6,959	6,961
163	5,320	7,127	7,129
164	5,531	7,211	7,213
165	5,792	7,307	7,309
166	5,957	7,331	7,333
167	6,208	7,349	7,351
168	6,355	7,457	7,459
169	6,390	7,487	7,489
170	6,537	7,547	7,549
171	6,835	7,559	7,561
172	6,909	7,589	7,591
173	7,181	7,757	7,759
174	7,309	7,877	7,879
175	8,239	7,949	7,951
176	8,269	8,009	8,011
177	8,298	8,087	8,089
178	8,555	8,219	8,221
179	9,322	8,231	8,233
180	9,428	8,291	8,293
181	9,448	8,387	8,389
182	9,549	8,429	8,431
183	9,691	8,537	8,539
184	11,695	8,597	8,599
185	12,185	8,627	8,629
186	13,250	8,819	8,821
187	13,623	8,837	8,839
188	14,252	8,861	8,863
189	14,276	8,969	8,971
190	14,528	8,999	9,001
191	15,161	9,011	9,013
192	17,906	9,041	9,043
193	18,749	9,239	9,241
194	18,757	9,281	9,283
195	19,211	9,341	9,343
196	22,296	9,419	9,421
197	23,069	9,431	9,433
198	23,288	9,437	9,439
199	23,471	9,461	9,463
200	24,651
201	25,006
202	28,281
203	30,256
204	35,563
205	38,967
206	41,894
207	43,665
208	48,624
209	49,093
210	49,488
211	50,078
212	60,079
213	63,679
214	79,221
215	83,861
216	90,057
217	91,213
218	94,798
219	95,328
220	104,448
221	113,547
222	114,293
223	125,410
224	142,460
225	146,221
226	157,167
227	213,319
228	270,091
229	282,717
230	287,384
231	303,088
232	338,295
233	382,447
234	410,105
235	461,076
236	472,097
237	476,624
238	495,728
239	567,233
240	585,042
241	617,813
242	672,005
243	960,897
244	2,145,351
245	2,167,797
246	2,478,782