Compare 20407 vs 20663
| Property | 20407 | 20663 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 204071 | 206631 |
| Prime factorization | 20407 | 20663 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20407 | 1, 20663 |
| Number of properties | 6 | 7 |
| Additive primes | 1072nd | 1081st |
| Chen primes | 1134th | 1144th |
| Cousin primes (1st member) | 352nd | |
| Harmonic primes | 850th | |
| Isolated primes | 1615th | 1627th |
| Long primes | 880th | 886th |
| Primes | 2306th | 2328th |
| Safe primes | 197th | |
| Roman numberals | ||
| Base 2 | 1001111101101112 | 1010000101101112 |
| Base 3 | 10002222113 | 10011000223 |
| Base 4 | 103323134 | 110023134 |
| Base 5 | 11231125 | 11301235 |
| Base 6 | 2342516 | 2353556 |
| Base 7 | 1133327 | 1141467 |
| Base 8 | 476678 | 502678 |
| Base 9 | 308849 | 313089 |
| Base 10 | 2040710 | 2066310 |
| Base 11 | 1437211 | 1458511 |
| Base 12 | b98712 | bb5b12 |
| Base 13 | 939a13 | 953613 |
| Base 14 | 761914 | 775d14 |
| Base 15 | 60a715 | 61c815 |
| Base 16 | 4fb716 | 50b716 |