Compare 151 vs 1901
| Property | 151 | 1901 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1511 | 19011 |
| Prime factorization | 151 | 1901 |
| Divisors count | 2 | 2 |
| Divisors | 1, 151 | 1, 1901 |
| Number of properties | 9 | 11 |
| Additive primes | 20th | 154th |
| Centered decagonal primes | 5th | 14th |
| Chen primes | 179th | |
| Emirps | 92nd | |
| Harmonic primes | 106th | |
| Isolated primes | 176th | |
| Lucky primes | 11th | |
| Multiplicative primes | 11th | |
| Palindromic primes | 8th | |
| Primes | 36th | 291st |
| Pythagorean primes | 141st | |
| Sexy primes (1st member) | 21st | 124th |
| Sexy prime triplets (1st member) | 12th | 49th |
| Sophie germain primes | 58th | |
| Twin primes (2nd member) | 12th | |
| Roman numberals | CLI | MCMI |
| Base 2 | 100101112 | 111011011012 |
| Base 3 | 121213 | 21211023 |
| Base 4 | 21134 | 1312314 |
| Base 5 | 11015 | 301015 |
| Base 6 | 4116 | 124456 |
| Base 7 | 3047 | 53547 |
| Base 8 | 2278 | 35558 |
| Base 9 | 1779 | 25429 |
| Base 10 | 15110 | 190110 |
| Base 11 | 12811 | 147911 |
| Base 12 | 10712 | 112512 |
| Base 13 | b813 | b3313 |
| Base 14 | ab14 | 99b14 |
| Base 15 | a115 | 86b15 |
| Base 16 | 9716 | 76d16 |