Compare 256129 vs 257989
| Property | 256129 | 257989 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2561291 | 2579891 |
| Prime factorization | 256129 | 257989 |
| Divisors count | 2 | 2 |
| Divisors | 1, 256129 | 1, 257989 |
| Number of properties | 4 | 5 |
| Cousin primes (1st member) | 2634th | 2645th |
| Isolated primes | 17269th | |
| Long primes | 8489th | |
| Lucky primes | 2806th | |
| Primes | 22536th | 22674th |
| Prime triplets (2nd member) | 1031st | |
| Twin primes (2nd member) | 2650th | |
| Roman numberals | ||
| Base 2 | 1111101000100000012 | 1111101111110001012 |
| Base 3 | 1110001000213 | 1110022200113 |
| Base 4 | 3322020014 | 3323330114 |
| Base 5 | 311440045 | 312234245 |
| Base 6 | 52534416 | 53102216 |
| Base 7 | 21145067 | 21231047 |
| Base 8 | 7642018 | 7677058 |
| Base 9 | 4303079 | 4328049 |
| Base 10 | 25612910 | 25798910 |
| Base 11 | 16548511 | 16691611 |
| Base 12 | 10428112 | 10537112 |
| Base 13 | 8c77313 | 9057413 |
| Base 14 | 694ad14 | 6a03b14 |
| Base 15 | 50d5415 | 5169415 |
| Base 16 | 3e88116 | 3efc516 |