Compare 66977 vs 66981
| Property | 66977 | 66981 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 669771 | 31 × 831 × 2691 |
| Prime factorization | 66977 | 3 × 83 × 269 |
| Divisors count | 2 | 8 |
| Divisors | 1, 66977 | 1, 3, 83, 249, 269, 807, 22327, 66981 |
| Number of properties | 6 | 0 |
| Chen primes | 3053rd | |
| Cousin primes (2nd member) | 878th | |
| Isolated primes | 4928th | |
| Primes | 6675th | |
| Pythagorean primes | 3327th | |
| Quartan primes | 29th | |
| Roman numberals | ||
| Base 2 | 100000101101000012 | 100000101101001012 |
| Base 3 | 101012121223 | 101012122103 |
| Base 4 | 1001122014 | 1001122114 |
| Base 5 | 41204025 | 41204115 |
| Base 6 | 12340256 | 12340336 |
| Base 7 | 3661617 | 3661657 |
| Base 8 | 2026418 | 2026458 |
| Base 9 | 1117789 | 1117839 |
| Base 10 | 6697710 | 6698110 |
| Base 11 | 4635911 | 4636211 |
| Base 12 | 3291512 | 3291912 |
| Base 13 | 2464113 | 2464513 |
| Base 14 | 1a5a114 | 1a5a514 |
| Base 15 | 14ca215 | 14ca615 |
| Base 16 | 105a116 | 105a516 |