Compare 2551 vs 2560
| Property | 2551 | 2560 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 2 | 
| Total factors | 1 | 10 | 
| Prime factorization | 25511 | 29 × 51 | 
| Prime factorization | 2551 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 | 
| Divisors count | 2 | 20 | 
| Divisors | 1, 2551 | 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560 | 
| Number of properties | 4 | 0 | 
| Additive primes | 195th | |
| Primes | 374th | |
| Sexy primes (1st member) | 153rd | |
| Twin primes (2nd member) | 73rd | |
| Roman numberals | MMDLI | MMDLX | 
| Base 2 | 1001111101112 | 1010000000002 | 
| Base 3 | 101111113 | 101112113 | 
| Base 4 | 2133134 | 2200004 | 
| Base 5 | 402015 | 402205 | 
| Base 6 | 154516 | 155046 | 
| Base 7 | 103037 | 103157 | 
| Base 8 | 47678 | 50008 | 
| Base 9 | 34449 | 34549 | 
| Base 10 | 255110 | 256010 | 
| Base 11 | 1a0a11 | 1a1811 | 
| Base 12 | 158712 | 159412 | 
| Base 13 | 121313 | 121c13 | 
| Base 14 | d0314 | d0c14 | 
| Base 15 | b5115 | b5a15 | 
| Base 16 | 9f716 | a0016 |