Compare 661138 vs 661139
Property | 661138 | 661139 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 21 × 3305691 | 6611391 |
Prime factorization | 2 × 330569 | 661139 |
Divisors count | 4 | 2 |
Divisors | 1, 2, 330569, 661138 | 1, 661139 |
Number of properties | 1 | 4 |
Chen primes | 20993rd | |
Isolated primes | 42080th | |
Primes | 53661st | |
Safe primes | 3099th | |
Semiprimes | 141464th | |
Roman numberals | ||
Base 2 | 101000010110100100102 | 101000010110100100112 |
Base 3 | 10201202201213 | 10201202201223 |
Base 4 | 22011221024 | 22011221034 |
Base 5 | 1321240235 | 1321240245 |
Base 6 | 221004546 | 221004556 |
Base 7 | 54223427 | 54223437 |
Base 8 | 24132228 | 24132238 |
Base 9 | 12168179 | 12168189 |
Base 10 | 66113810 | 66113910 |
Base 11 | 4117a511 | 4117a611 |
Base 12 | 27a72a12 | 27a72b12 |
Base 13 | 1a1c0a13 | 1a1c0b13 |
Base 14 | 132d2214 | 132d2314 |
Base 15 | d0d5d15 | d0d5e15 |
Base 16 | a169216 | a169316 |