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| Result: | ||
| status (?) | digits | number |
| P | 4 (Show) | 2141 = 2141 |
| Additional information | |
| Cofactor of Aliquot sequence 58188 index 1549 | |
| Cofactor of Greatest prime factor ^2+1 419 index 1 | |
| Cofactor of Aliquot sequence 2645888 index 10 | |
| Cofactor of Woodall number | 716*2^716-1 |