| Additional information |
| Near-repdigit palindrome (1)w5(1)w |
(10^(2*1+1)+36*10^1-1)/9 |
| Plateau 1(5)w1 |
(14*10^2-41)/9 |
| x^y+y^x |
1^150+150^1 |
| Cofactor of Repunit base n |
(2^15-1)/(2-1) |
| Cofactor of Mersenne number |
2^15-1 |
| Cofactor of Aliquot sequence 30968 index 3 |
| Cofactor of Home prime base 2 2430 index 2 |
| Cofactor of Home prime base 6 7690 index 2 |
| Cofactor of Home prime base 10 8301 index 1 |
| Cofactor of Inverse home prime base 2 2607 index 2 |
| Cofactor of Inverse home prime base 4 2607 index 2 |
| Cofactor of Home prime base 11 3292 index 1 |
| Cofactor of Repunit base n |
(2^30-1)/(2-1) |
| Cofactor of Mersenne number |
2^30-1 |
| Cofactor of Repunit base n |
(2^45-1)/(2-1) |
| Cofactor of Mersenne number |
2^45-1 |
| Cofactor of Repunit base n |
(2^60-1)/(2-1) |
| Cofactor of Mersenne number |
2^60-1 |
| Cofactor of Repunit base n |
(2^75-1)/(2-1) |
| Cofactor of Mersenne number |
2^75-1 |
| Cofactor of Repunit base n |
(2^90-1)/(2-1) |
| Cofactor of Mersenne number |
2^90-1 |
| Cofactor of Repunit base n |
(2^105-1)/(2-1) |
| Cofactor of Mersenne number |
2^105-1 |
| Cofactor of Repunit base n |
(2^120-1)/(2-1) |
| Cofactor of Mersenne number |
2^120-1 |
| Cofactor of Repunit base n |
(2^135-1)/(2-1) |
| Cofactor of Mersenne number |
2^135-1 |
| Cofactor of Woodall number |
128*2^128-1 |
| Cofactor of Repunit base n |
(2^150-1)/(2-1) |
| Cofactor of Mersenne number |
2^150-1 |
| Cofactor of Repunit base n |
(2^165-1)/(2-1) |
| Cofactor of Mersenne number |
2^165-1 |
| Cofactor of Repunit base n |
(2^180-1)/(2-1) |
| Cofactor of Mersenne number |
2^180-1 |
| Cofactor of Repunit base n |
(2^195-1)/(2-1) |
| Cofactor of Mersenne number |
2^195-1 |
| Cofactor of Repunit base n |
(2^210-1)/(2-1) |
| Cofactor of Mersenne number |
2^210-1 |
| Cofactor of Repunit base n |
(2^225-1)/(2-1) |
| Cofactor of Mersenne number |
2^225-1 |
| Cofactor of Repunit base n |
(2^240-1)/(2-1) |
| Cofactor of Mersenne number |
2^240-1 |
| Cofactor of Generalized Hyper-Woodall |
8^64*64^8-1 |
| Cofactor of Repunit base n |
(2^255-1)/(2-1) |
| Cofactor of Mersenne number |
2^255-1 |
| Cofactor of Repunit base n |
(2^270-1)/(2-1) |
| Cofactor of Mersenne number |
2^270-1 |
| Cofactor of Repunit base n |
(2^285-1)/(2-1) |
| Cofactor of Mersenne number |
2^285-1 |
| Cofactor of Repunit base n |
(2^300-1)/(2-1) |
| Cofactor of Mersenne number |
2^300-1 |
| Cofactor of Repunit base n |
(2^315-1)/(2-1) |
| Cofactor of Mersenne number |
2^315-1 |
| Cofactor of Repunit base n |
(2^330-1)/(2-1) |
| Cofactor of Mersenne number |
2^330-1 |
| Cofactor of Repunit base n |
(2^345-1)/(2-1) |
| Cofactor of Mersenne number |
2^345-1 |
| Cofactor of Repunit base n |
(2^360-1)/(2-1) |
| Cofactor of Mersenne number |
2^360-1 |
| Cofactor of Repunit base n |
(2^375-1)/(2-1) |
| Cofactor of Mersenne number |
2^375-1 |
| Cofactor of Repunit base n |
(2^390-1)/(2-1) |
| Cofactor of Mersenne number |
2^390-1 |
| Cofactor of Repunit base n |
(2^405-1)/(2-1) |
| Cofactor of Mersenne number |
2^405-1 |
| Cofactor of Repunit base n |
(2^420-1)/(2-1) |
| Cofactor of Mersenne number |
2^420-1 |
| Cofactor of Repunit base n |
(2^435-1)/(2-1) |
| Cofactor of Mersenne number |
2^435-1 |
| Cofactor of Repunit base n |
(2^450-1)/(2-1) |
| Cofactor of Mersenne number |
2^450-1 |