Repunit (factors)

Table of factors in base 10 for R₁ to R₅₀

Repunit Prime factors Num Factors
R₁ 1 1
R₂ Prime 1
R₃ 3 ｷ 37 2
R₄ 11 ｷ 101 2
R₅ 41 ｷ 271 2
R₆ 3 ｷ 7 ｷ 11 ｷ 13 ｷ 37 5
R₇ 239 ｷ 4,649 2
R₈ 11 ｷ 73 ｷ 101 ｷ 137 4
R₉ 3² ｷ 37 ｷ 333,667 4
R₁₀ 11 ｷ 41 ｷ 271 ｷ 9,091 4
R₁₁ 21,649 ｷ 513,239 2
R₁₂ 3 ｷ 7 ｷ 11 ｷ 13 ｷ 37 ｷ 101 ｷ 9,901 7
R₁₃ 53 ｷ 79 ｷ 265,371,653 3
R₁₄ 11 ｷ 239 ｷ 4,649 ｷ 909,091 4
R₁₅ 3 ｷ 31 ｷ 37 ｷ 41 ｷ 271 ｷ 2,906,161 6
R₁₆ 11 ｷ 17 ｷ 73 ｷ 101 ｷ 137 ｷ 5,882,352 6
R₁₇ 2,071,723 ｷ 5,363,222,357 2
R₁₈ 3² ｷ 7 ｷ 11 ｷ 13 ｷ 19 ｷ 37 ｷ 52,579 ｷ 333,667 9
R₁₉ Prime 1
R₂₀ 11 ｷ 41 ｷ 101 ｷ 271 ｷ 3,541 ｷ 9,091 ｷ 27,961 7
R₂₁ 3 ｷ 37 ｷ 43 ｷ 239 ｷ 1,933 ｷ 4,649 ｷ 10,838,689 7
R₂₂ 11² ｷ 23 ｷ 4,093 ｷ 8,779 ｷ 21,649 ｷ 513,239 7
R₂₃ Prime 1
R₂₄ 3 ｷ 7 ｷ 11 ｷ 13 ｷ 37 ｷ 73 ｷ 101 ｷ 137 ｷ 9,901 ｷ 99,990,001 10
R₂₅ 41 ｷ 271 ｷ 21,401 ｷ 25,601 ｷ 182,521,213,001 5
R₂₆ 11 ｷ 53 ｷ 79 ｷ 859 ｷ 265,371,653 ｷ 1,058,313,049 6
R₂₇ 3³ ｷ 37 ｷ 757 ｷ 333,667 ｷ 440,334,654,777,631 7
R₂₈ 11 ｷ 29 ｷ 101 ｷ 239 ｷ 281 ｷ 4,649 ｷ 909,091 ｷ 121,499,449 8
R₂₉ 3,191 ｷ 16,763 ｷ 43,037 ｷ 62,003 ｷ 77,843,839,397 5
R₃₀ 3 ｷ 7 ｷ 11 ｷ 13 ｷ 31 ｷ 37 ｷ 41 ｷ 211 ｷ 241 ｷ 271 ｷ 2,161 ｷ 9,091 ｷ 2,906,161 13
R₃₁ 2,791 ｷ 6,943,319 ｷ 57,336,415,063,790,604,359 3
R₃₂ 11 ｷ 17 ｷ 73 ｷ 101 ｷ 137 ｷ 353 ｷ 449 ｷ 641 ｷ 1,409 ｷ 69,857 ｷ 5,882,353 11
R₃₃ 3 ｷ 37 ｷ 67 ｷ 21,649 ｷ 513,239 ｷ 1,344,628,210,313,298,373 6
R₃₄ 11 ｷ 103 ｷ 4,013 ｷ 2,071,723 ｷ 5,363,222,357 ｷ 21,993,833,369 6
R₃₅ 41 ｷ 71 ｷ 239 ｷ 271 ｷ 4,649 ｷ 123,551 ｷ 102,598,800,232,111,471 7
R₃₆ 3² ｷ 7 ｷ 11 ｷ 13 ｷ 19 ｷ 37 ｷ 101 ｷ 9,901 ｷ 52,579 ｷ 333,667 ｷ 999,999,000,001 12
R₃₇ 2,028,119 ｷ 247,629,013 ｷ 2,212,394,296,770,203,368,013 3
R₃₈ 11 ｷ 909,090,909,090,909,091 ｷ R₁₉ 3
R₃₉ 3 ｷ 37 ｷ 53 ｷ 79 ｷ 265,371,653 ｷ 900,900,900,900,990,990,990,991 6
R₄₀ 11 ｷ 41 ｷ 73 ｷ 101 ｷ 137 ｷ 271 ｷ 3,541 ｷ 9,091 ｷ 27,961 ｷ 1,676,321 ｷ 5,964,848,081 11
R₄₁ 83 ｷ 1,231 ｷ 538,987 ｷ 201,763,709,900,322,803,748,657,942,361 4
R₄₂ 3 ｷ 7² ｷ 11 ｷ 13 ｷ 37 ｷ 43 ｷ 127 ｷ 239 ｷ 1,933 ｷ 2,689 ｷ 4,649 ｷ 459,691 ｷ 909,091 ｷ 10,838,689 15
R₄₃ 173 ｷ 1,527,791 ｷ 1,963,506,722,254,397 ｷ 2,140,992,015,395,526,641 4
R₄₄ 11² ｷ 23 ｷ 89 ｷ 101 ｷ 4,093 ｷ 8,779 ｷ 21,649 ｷ 513,239 ｷ 1,052,788,969 ｷ 1,056,689,261 11
R₄₅ 3² ｷ 31 ｷ 37 ｷ 41 ｷ 271 ｷ 238,681 ｷ 333,667 ｷ 2,906,161 ｷ 4,185,502,830,133,110,721 10
R₄₆ 11 ｷ 47 ｷ 139 ｷ 2,531 ｷ 549,797,184,491,917 ｷ R₂₃ 6
R₄₇ 35,121,409 ｷ 316,362,908,763,458,525,001,406,154,038,726,382,279 2
R₄₈ 3 ｷ 7 ｷ 11 ｷ 13 ｷ 17 ｷ 37 ｷ 73 ｷ 101 ｷ 137 ｷ 9,901 ｷ 5,882,353 ｷ 99,990,001 ｷ 9,999,999,900,000,001 13
R₄₉ 239 ｷ 4,649 ｷ 505,885,997 ｷ 1,976,730,144,598,190,963,568,023,014,679,333 4
R₅₀ 11 ｷ 41 ｷ 251 ｷ 271 ｷ 5,051 ｷ 9,091 ｷ 21,401 ｷ 25,601 ｷ 182,521,213,001 ｷ 78,875,943,472,201 10

Repunit	Prime factors	Num Factors
R₁	1	1
R₂	Prime	1
R₃	3 ｷ 37	2
R₄	11 ｷ 101	2
R₅	41 ｷ 271	2
R₆	3 ｷ 7 ｷ 11 ｷ 13 ｷ 37	5
R₇	239 ｷ 4,649	2
R₈	11 ｷ 73 ｷ 101 ｷ 137	4
R₉	3² ｷ 37 ｷ 333,667	4
R₁₀	11 ｷ 41 ｷ 271 ｷ 9,091	4
R₁₁	21,649 ｷ 513,239	2
R₁₂	3 ｷ 7 ｷ 11 ｷ 13 ｷ 37 ｷ 101 ｷ 9,901	7
R₁₃	53 ｷ 79 ｷ 265,371,653	3
R₁₄	11 ｷ 239 ｷ 4,649 ｷ 909,091	4
R₁₅	3 ｷ 31 ｷ 37 ｷ 41 ｷ 271 ｷ 2,906,161	6
R₁₆	11 ｷ 17 ｷ 73 ｷ 101 ｷ 137 ｷ 5,882,352	6
R₁₇	2,071,723 ｷ 5,363,222,357	2
R₁₈	3² ｷ 7 ｷ 11 ｷ 13 ｷ 19 ｷ 37 ｷ 52,579 ｷ 333,667	9
R₁₉	Prime	1
R₂₀	11 ｷ 41 ｷ 101 ｷ 271 ｷ 3,541 ｷ 9,091 ｷ 27,961	7
R₂₁	3 ｷ 37 ｷ 43 ｷ 239 ｷ 1,933 ｷ 4,649 ｷ 10,838,689	7
R₂₂	11² ｷ 23 ｷ 4,093 ｷ 8,779 ｷ 21,649 ｷ 513,239	7
R₂₃	Prime	1
R₂₄	3 ｷ 7 ｷ 11 ｷ 13 ｷ 37 ｷ 73 ｷ 101 ｷ 137 ｷ 9,901 ｷ 99,990,001	10
R₂₅	41 ｷ 271 ｷ 21,401 ｷ 25,601 ｷ 182,521,213,001	5
R₂₆	11 ｷ 53 ｷ 79 ｷ 859 ｷ 265,371,653 ｷ 1,058,313,049	6
R₂₇	3³ ｷ 37 ｷ 757 ｷ 333,667 ｷ 440,334,654,777,631	7
R₂₈	11 ｷ 29 ｷ 101 ｷ 239 ｷ 281 ｷ 4,649 ｷ 909,091 ｷ 121,499,449	8
R₂₉	3,191 ｷ 16,763 ｷ 43,037 ｷ 62,003 ｷ 77,843,839,397	5
R₃₀	3 ｷ 7 ｷ 11 ｷ 13 ｷ 31 ｷ 37 ｷ 41 ｷ 211 ｷ 241 ｷ 271 ｷ 2,161 ｷ 9,091 ｷ 2,906,161	13
R₃₁	2,791 ｷ 6,943,319 ｷ 57,336,415,063,790,604,359	3
R₃₂	11 ｷ 17 ｷ 73 ｷ 101 ｷ 137 ｷ 353 ｷ 449 ｷ 641 ｷ 1,409 ｷ 69,857 ｷ 5,882,353	11
R₃₃	3 ｷ 37 ｷ 67 ｷ 21,649 ｷ 513,239 ｷ 1,344,628,210,313,298,373	6
R₃₄	11 ｷ 103 ｷ 4,013 ｷ 2,071,723 ｷ 5,363,222,357 ｷ 21,993,833,369	6
R₃₅	41 ｷ 71 ｷ 239 ｷ 271 ｷ 4,649 ｷ 123,551 ｷ 102,598,800,232,111,471	7
R₃₆	3² ｷ 7 ｷ 11 ｷ 13 ｷ 19 ｷ 37 ｷ 101 ｷ 9,901 ｷ 52,579 ｷ 333,667 ｷ 999,999,000,001	12
R₃₇	2,028,119 ｷ 247,629,013 ｷ 2,212,394,296,770,203,368,013	3
R₃₈	11 ｷ 909,090,909,090,909,091 ｷ R₁₉	3
R₃₉	3 ｷ 37 ｷ 53 ｷ 79 ｷ 265,371,653 ｷ 900,900,900,900,990,990,990,991	6
R₄₀	11 ｷ 41 ｷ 73 ｷ 101 ｷ 137 ｷ 271 ｷ 3,541 ｷ 9,091 ｷ 27,961 ｷ 1,676,321 ｷ 5,964,848,081	11
R₄₁	83 ｷ 1,231 ｷ 538,987 ｷ 201,763,709,900,322,803,748,657,942,361	4
R₄₂	3 ｷ 7² ｷ 11 ｷ 13 ｷ 37 ｷ 43 ｷ 127 ｷ 239 ｷ 1,933 ｷ 2,689 ｷ 4,649 ｷ 459,691 ｷ 909,091 ｷ 10,838,689	15
R₄₃	173 ｷ 1,527,791 ｷ 1,963,506,722,254,397 ｷ 2,140,992,015,395,526,641	4
R₄₄	11² ｷ 23 ｷ 89 ｷ 101 ｷ 4,093 ｷ 8,779 ｷ 21,649 ｷ 513,239 ｷ 1,052,788,969 ｷ 1,056,689,261	11
R₄₅	3² ｷ 31 ｷ 37 ｷ 41 ｷ 271 ｷ 238,681 ｷ 333,667 ｷ 2,906,161 ｷ 4,185,502,830,133,110,721	10
R₄₆	11 ｷ 47 ｷ 139 ｷ 2,531 ｷ 549,797,184,491,917 ｷ R₂₃	6
R₄₇	35,121,409 ｷ 316,362,908,763,458,525,001,406,154,038,726,382,279	2
R₄₈	3 ｷ 7 ｷ 11 ｷ 13 ｷ 17 ｷ 37 ｷ 73 ｷ 101 ｷ 137 ｷ 9,901 ｷ 5,882,353 ｷ 99,990,001 ｷ 9,999,999,900,000,001	13
R₄₉	239 ｷ 4,649 ｷ 505,885,997 ｷ 1,976,730,144,598,190,963,568,023,014,679,333	4
R₅₀	11 ｷ 41 ｷ 251 ｷ 271 ｷ 5,051 ｷ 9,091 ｷ 21,401 ｷ 25,601 ｷ 182,521,213,001 ｷ 78,875,943,472,201	10

Repunit (factors)

Table of factors in base 10 for R1 to R50

Table of factors in base 10 for R₁ to R₅₀