Compare 641981 vs 642013
| Property | 641981 | 642013 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6419811 | 6420131 |
| Prime factorization | 641981 | 642013 |
| Divisors count | 2 | 2 |
| Divisors | 1, 641981 | 1, 642013 |
| Number of properties | 4 | 2 |
| Additive primes | 20411th | |
| Chen primes | 20429th | |
| Isolated primes | 40931st | |
| Primes | 52222nd | 52224th |
| Twin primes (2nd member) | 5647th | |
| Roman numberals | ||
| Base 2 | 100111001011101111012 | 100111001011110111012 |
| Base 3 | 10121211220023 | 10121212000213 |
| Base 4 | 21302323314 | 21302331314 |
| Base 5 | 1310204115 | 1310210235 |
| Base 6 | 214320456 | 214321416 |
| Base 7 | 53124447 | 53125217 |
| Base 8 | 23456758 | 23457358 |
| Base 9 | 11775629 | 11776079 |
| Base 10 | 64198110 | 64201310 |
| Base 11 | 3a936a11 | 3a939911 |
| Base 12 | 26b62512 | 26b65112 |
| Base 13 | 19629213 | 1962b813 |
| Base 14 | 129d5b14 | 129d8114 |
| Base 15 | ca33b15 | ca35d15 |
| Base 16 | 9cbbd16 | 9cbdd16 |