Compare 121999 vs 122011
| Property | 121999 | 122011 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 191 × 64211 | 1220111 |
| Prime factorization | 19 × 6421 | 122011 |
| Divisors count | 4 | 2 |
| Divisors | 1, 19, 6421, 121999 | 1, 122011 |
| Number of properties | 1 | 4 |
| Additive primes | 4723rd | |
| Emirps | 2259th | |
| Isolated primes | 8595th | |
| Primes | 11476th | |
| Semiprimes | 28272nd | |
| Roman numberals | ||
| Base 2 | 111011100100011112 | 111011100100110112 |
| Base 3 | 200121001113 | 200121002213 |
| Base 4 | 1313020334 | 1313021234 |
| Base 5 | 124004445 | 124010215 |
| Base 6 | 23404516 | 23405116 |
| Base 7 | 10154537 | 10155017 |
| Base 8 | 3562178 | 3562338 |
| Base 9 | 2053149 | 2053279 |
| Base 10 | 12199910 | 12201110 |
| Base 11 | 8372911 | 8373a11 |
| Base 12 | 5a72712 | 5a73712 |
| Base 13 | 436b713 | 436c613 |
| Base 14 | 3266314 | 3267114 |
| Base 15 | 2623415 | 2624115 |
| Base 16 | 1dc8f16 | 1dc9b16 |