Compare 641213 vs 641219
| Property | 641213 | 641219 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6412131 | 291 × 221111 |
| Prime factorization | 641213 | 29 × 22111 |
| Divisors count | 2 | 4 |
| Divisors | 1, 641213 | 1, 29, 22111, 641219 |
| Number of properties | 4 | 1 |
| Additive primes | 20388th | |
| Isolated primes | 40888th | |
| Primes | 52165th | |
| Semiprimes | 137395th | |
| Sophie germain primes | 5316th | |
| Roman numberals | ||
| Base 2 | 100111001000101111012 | 100111001000110000112 |
| Base 3 | 10121201201223 | 10121201202123 |
| Base 4 | 21302023314 | 21302030034 |
| Base 5 | 1310043235 | 1310043345 |
| Base 6 | 214243256 | 214243356 |
| Base 7 | 53102667 | 53103057 |
| Base 8 | 23442758 | 23443038 |
| Base 9 | 11765189 | 11765259 |
| Base 10 | 64121310 | 64121910 |
| Base 11 | 3a883111 | 3a883711 |
| Base 12 | 26b0a512 | 26b0ab12 |
| Base 13 | 195b2113 | 195b2713 |
| Base 14 | 12996d14 | 12997514 |
| Base 15 | c9ec815 | c9ece15 |
| Base 16 | 9c8bd16 | 9c8c316 |