Compare 64187 vs 64190
| Property | 64187 | 64190 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 5 |
| Prime factorization | 641871 | 21 × 51 × 72 × 1311 |
| Prime factorization | 64187 | 2 × 5 × 7 × 7 × 131 |
| Divisors count | 2 | 24 |
| Divisors | 1, 64187 | 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 131, 245, 262, 490, 655, 917, 1310, 1834, 4585, 6419, 9170, 12838, 32095, 64190 |
| Number of properties | 3 | 0 |
| Chen primes | 2944th | |
| Primes | 6429th | |
| Twin primes (1st member) | 847th | |
| Roman numberals | ||
| Base 2 | 11111010101110112 | 11111010101111102 |
| Base 3 | 100210010223 | 100210011023 |
| Base 4 | 332223234 | 332223324 |
| Base 5 | 40232225 | 40232305 |
| Base 6 | 12130556 | 12131026 |
| Base 7 | 3550647 | 3551007 |
| Base 8 | 1752738 | 1752768 |
| Base 9 | 1070389 | 1070429 |
| Base 10 | 6418710 | 6419010 |
| Base 11 | 4425211 | 4425511 |
| Base 12 | 3118b12 | 3119212 |
| Base 13 | 232a613 | 232a913 |
| Base 14 | 1956b14 | 1957014 |
| Base 15 | 1404215 | 1404515 |
| Base 16 | fabb16 | fabe16 |