Compare 641981 vs 642407
| Property | 641981 | 642407 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6419811 | 6424071 |
| Prime factorization | 641981 | 642407 |
| Divisors count | 2 | 2 |
| Divisors | 1, 641981 | 1, 642407 |
| Number of properties | 4 | 6 |
| Additive primes | 20411th | 20422nd |
| Chen primes | 20429th | 20437th |
| Cousin primes (2nd member) | 5643rd | |
| Isolated primes | 40931st | 40949th |
| Primes | 52222nd | 52250th |
| Safe primes | 3025th | |
| Roman numberals | ||
| Base 2 | 100111001011101111012 | 100111001101011001112 |
| Base 3 | 10121211220023 | 10121220122123 |
| Base 4 | 21302323314 | 21303112134 |
| Base 5 | 1310204115 | 1310241125 |
| Base 6 | 214320456 | 214340356 |
| Base 7 | 53124447 | 53136237 |
| Base 8 | 23456758 | 23465478 |
| Base 9 | 11775629 | 11781859 |
| Base 10 | 64198110 | 64240710 |
| Base 11 | 3a936a11 | 3a971711 |
| Base 12 | 26b62512 | 26b91b12 |
| Base 13 | 19629213 | 19652c13 |
| Base 14 | 129d5b14 | 12a18314 |
| Base 15 | ca33b15 | ca52215 |
| Base 16 | 9cbbd16 | 9cd6716 |