Compare 213901 vs 213907
| Property | 213901 | 213907 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2139011 | 4091 × 5231 |
| Prime factorization | 213901 | 409 × 523 |
| Divisors count | 2 | 4 |
| Divisors | 1, 213901 | 1, 409, 523, 213907 |
| Number of properties | 4 | 1 |
| Isolated primes | 14561st | |
| Long primes | 7149th | |
| Primes | 19118th | |
| Pythagorean primes | 9545th | |
| Semiprimes | 48224th | |
| Roman numberals | ||
| Base 2 | 1101000011100011012 | 1101000011100100112 |
| Base 3 | 1012121020213 | 1012121021113 |
| Base 4 | 3100320314 | 3100321034 |
| Base 5 | 233211015 | 233211125 |
| Base 6 | 43301416 | 43301516 |
| Base 7 | 15504227 | 15504317 |
| Base 8 | 6416158 | 6416238 |
| Base 9 | 3553679 | 3553749 |
| Base 10 | 21390110 | 21390710 |
| Base 11 | 13678611 | 13679111 |
| Base 12 | a395112 | a395712 |
| Base 13 | 7648c13 | 7649513 |
| Base 14 | 57d4914 | 57d5114 |
| Base 15 | 435a115 | 435a715 |
| Base 16 | 3438d16 | 3439316 |