Compare 247391 vs 247439
| Property | 247391 | 247439 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2473911 | 2474391 |
| Prime factorization | 247391 | 247439 |
| Divisors count | 2 | 2 |
| Divisors | 1, 247391 | 1, 247439 |
| Number of properties | 5 | 7 |
| Additive primes | 8848th | |
| Chen primes | 9034th | 9035th |
| Harmonic primes | 8153rd | 8154th |
| Isolated primes | 16700th | |
| Primes | 21824th | 21829th |
| Safe primes | 1399th | |
| Sexy primes (2nd member) | 5096th | |
| Sophie germain primes | 2445th | |
| Twin primes (1st member) | 2565th | |
| Roman numberals | ||
| Base 2 | 1111000110010111112 | 1111000110100011112 |
| Base 3 | 1101201001223 | 1101201021023 |
| Base 4 | 3301211334 | 3301220334 |
| Base 5 | 304040315 | 304042245 |
| Base 6 | 51451556 | 51453156 |
| Base 7 | 20501547 | 20502537 |
| Base 8 | 7431378 | 7432178 |
| Base 9 | 4163189 | 4163729 |
| Base 10 | 24739110 | 24743910 |
| Base 11 | 15996111 | 1599a511 |
| Base 12 | bb1bb12 | bb23b12 |
| Base 13 | 887b113 | 8881a13 |
| Base 14 | 6622b14 | 6626314 |
| Base 15 | 4d47b15 | 4d4ae15 |
| Base 16 | 3c65f16 | 3c68f16 |