Compare 645149 vs 645941
| Property | 645149 | 645941 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6451491 | 6459411 |
| Prime factorization | 645149 | 645941 |
| Divisors count | 2 | 2 |
| Divisors | 1, 645149 | 1, 645941 |
| Number of properties | 5 | 6 |
| Additive primes | 20506th | 20533rd |
| Chen primes | 20517th | 20541st |
| Cousin primes (2nd member) | 5671st | |
| Isolated primes | 41122nd | 41168th |
| Primes | 52461st | 52519th |
| Sophie germain primes | 5350th | 5356th |
| Roman numberals | ||
| Base 2 | 100111011000000111012 | 100111011011001101012 |
| Base 3 | 10122022221023 | 10122110012023 |
| Base 4 | 21312001314 | 21312303114 |
| Base 5 | 1311210445 | 1311322315 |
| Base 6 | 214544456 | 215022456 |
| Base 7 | 53246217 | 53301327 |
| Base 8 | 23540358 | 23554658 |
| Base 9 | 11828729 | 11840529 |
| Base 10 | 64514910 | 64594110 |
| Base 11 | 40078a11 | 40133a11 |
| Base 12 | 27142512 | 27198512 |
| Base 13 | 19785b13 | 19801a13 |
| Base 14 | 12b18114 | 12b58914 |
| Base 15 | cb24e15 | cb5cb15 |
| Base 16 | 9d81d16 | 9db3516 |