Compare 840813 vs 840821
| Property | 840813 | 840821 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 311 × 90411 | 8408211 |
| Prime factorization | 3 × 31 × 9041 | 840821 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 31, 93, 9041, 27123, 280271, 840813 | 1, 840821 |
| Number of properties | 0 | 6 |
| Additive primes | 25827th | |
| Chen primes | 25826th | |
| Cousin primes (2nd member) | 7071st | |
| Primes | 66945th | |
| Prime triplets (2nd member) | 2505th | |
| Twin primes (1st member) | 7054th | |
| Roman numberals | ||
| Base 2 | 110011010100011011012 | 110011010100011101012 |
| Base 3 | 11202011010203 | 11202011011123 |
| Base 4 | 30311012314 | 30311013114 |
| Base 5 | 2034012235 | 2034012415 |
| Base 6 | 300043536 | 300044056 |
| Base 7 | 101012317 | 101012427 |
| Base 8 | 31521558 | 31521658 |
| Base 9 | 15213369 | 15213459 |
| Base 10 | 84081310 | 84082110 |
| Base 11 | 52479611 | 5247a311 |
| Base 12 | 3466b912 | 34670512 |
| Base 13 | 23592c13 | 23593713 |
| Base 14 | 17c5c114 | 17c5c914 |
| Base 15 | 1191e315 | 1191eb15 |
| Base 16 | cd46d16 | cd47516 |