Compare 607 vs 643
| Property | 607 | 643 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 6071 | 6431 | 
| Prime factorization | 607 | 643 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 607 | 1, 643 | 
| Number of properties | 9 | 7 | 
| Additive primes | 61st | 63rd | 
| Cousin primes (1st member) | 29th | |
| Isolated primes | 58th | |
| Left-truncatable primes | 38th | |
| Lucky primes | 33rd | |
| Primes | 111th | 117th | 
| Prime triplets (2nd member) | 24th | |
| Sexy primes (1st member) | 55th | |
| Sexy primes (2nd member) | 54th | |
| Sexy prime quadrupletss (2nd member) | 6th | |
| Sexy prime triplets (1st member) | 23rd | |
| Sexy prime triplets (2nd member) | 22nd | |
| Twin primes (2nd member) | 29th | |
| Ulam primes | 13th | |
| Roman numberals | DCVII | DCXLIII | 
| Base 2 | 10010111112 | 10100000112 | 
| Base 3 | 2111113 | 2122113 | 
| Base 4 | 211334 | 220034 | 
| Base 5 | 44125 | 100335 | 
| Base 6 | 24516 | 25516 | 
| Base 7 | 15257 | 16067 | 
| Base 8 | 11378 | 12038 | 
| Base 9 | 7449 | 7849 | 
| Base 10 | 60710 | 64310 | 
| Base 11 | 50211 | 53511 | 
| Base 12 | 42712 | 45712 | 
| Base 13 | 37913 | 3a613 | 
| Base 14 | 31514 | 33d14 | 
| Base 15 | 2a715 | 2cd15 | 
| Base 16 | 25f16 | 28316 |