Compare 85981 vs 85991
| Property | 85981 | 85991 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 711 × 1731 | 859911 |
| Prime factorization | 7 × 71 × 173 | 85991 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 71, 173, 497, 1211, 12283, 85981 | 1, 85991 |
| Number of properties | 0 | 5 |
| Chen primes | 3761st | |
| Good primes | 611th | |
| Harmonic primes | 3148th | |
| Isolated primes | 6210th | |
| Primes | 8361st | |
| Roman numberals | ||
| Base 2 | 101001111110111012 | 101001111111001112 |
| Base 3 | 111002211113 | 111002212123 |
| Base 4 | 1103331314 | 1103332134 |
| Base 5 | 102224115 | 102224315 |
| Base 6 | 15020216 | 15020356 |
| Base 7 | 5054507 | 5054637 |
| Base 8 | 2477358 | 2477478 |
| Base 9 | 1408449 | 1408559 |
| Base 10 | 8598110 | 8599110 |
| Base 11 | 5966511 | 5967411 |
| Base 12 | 4191112 | 4191b12 |
| Base 13 | 3019c13 | 301a913 |
| Base 14 | 2349714 | 234a314 |
| Base 15 | 1a72115 | 1a72b15 |
| Base 16 | 14fdd16 | 14fe716 |