Compare 661373 vs 663149
| Property | 661373 | 663149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6613731 | 6631491 |
| Prime factorization | 661373 | 663149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 661373 | 1, 663149 |
| Number of properties | 4 | 5 |
| Additive primes | 21007th | |
| Chen primes | 21038th | |
| Isolated primes | 42093rd | 42196th |
| Primes | 53676th | 53801st |
| Sophie germain primes | 5456th | |
| Ulam primes | 3939th | 3946th |
| Roman numberals | ||
| Base 2 | 101000010111011111012 | 101000011110011011012 |
| Base 3 | 10201210200223 | 10202002000023 |
| Base 4 | 22011313314 | 22013212314 |
| Base 5 | 1321304435 | 1322100445 |
| Base 6 | 221015256 | 221140456 |
| Base 7 | 54231267 | 54312447 |
| Base 8 | 24135758 | 24171558 |
| Base 9 | 12172089 | 12206029 |
| Base 10 | 66137310 | 66314910 |
| Base 11 | 41199911 | 41326311 |
| Base 12 | 27a8a512 | 27b92512 |
| Base 13 | 1a205b13 | 1a2ac613 |
| Base 14 | 13304d14 | 13395b14 |
| Base 15 | d0e6815 | d174e15 |
| Base 16 | a177d16 | a1e6d16 |