Compare 661470 vs 661477
| Property | 661470 | 661477 | 
|---|---|---|
| Type | composite number | prime | 
| Unique factors | 5 | 1 | 
| Total factors | 5 | 1 | 
| Prime factorization | 21 × 31 × 51 × 171 × 12971 | 6614771 | 
| Prime factorization | 2 × 3 × 5 × 17 × 1297 | 661477 | 
| Divisors count | 32 | 2 | 
| Divisors | 1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 1297, 2594, 3891, 6485, 7782, 12970, 19455, 22049, 38910, 44098, 66147, 110245, 132294, 220490, 330735, 661470 | 1, 661477 | 
| Number of properties | 0 | 6 | 
| Additive primes | 20959th | |
| Cousin primes (1st member) | 5787th | |
| Isolated primes | 42099th | |
| Primes | 53682nd | |
| Prime triplets (1st member) | 2107th | |
| Sexy primes (1st member) | 11591st | |
| Roman numberals | ||
| Base 2 | 101000010111110111102 | 101000010111111001012 | 
| Base 3 | 10201211002203 | 10201211010113 | 
| Base 4 | 22011331324 | 22011332114 | 
| Base 5 | 1321313405 | 1321314025 | 
| Base 6 | 221022106 | 221022216 | 
| Base 7 | 54233257 | 54233357 | 
| Base 8 | 24137368 | 24137458 | 
| Base 9 | 12173269 | 12173349 | 
| Base 10 | 66147010 | 66147710 | 
| Base 11 | 411a7711 | 411a8311 | 
| Base 12 | 27a96612 | 27a97112 | 
| Base 13 | 1a210413 | 1a210b13 | 
| Base 14 | 1330bc14 | 1330c514 | 
| Base 15 | d0ed015 | d0ed715 | 
| Base 16 | a17de16 | a17e516 |