Numeric Value: 861
The folowing table expresses '861' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR10 | DR9 | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 1101011101 | 111 | 11,10 | 1 | ||||||
| 3 | 1011220 | 21,10 | 1 | |||||||
| 4 | 31131 | 21 | 3 | |||||||
| 5 | 11421 | 14,10 | 1 | |||||||
| 6 | 3553 | 24,10 | 1 | |||||||
| 7 | 2340 | 12 | 3 | |||||||
| 8 | 1535 | 16 | 7 | |||||||
| 9 | 1156 | 14 | 5 | |||||||
| 10 | 861 | 15 | 6 | |||||||
| 11 | 713 | 10 | 1 | |||||||
| 12 | 5B9 | 21 | 3 | |||||||
| 13 | 513 | 9 | ||||||||
| 14 | 457 | 12 | 3 | |||||||
| 15 | 3C6 | 16 | 7 | |||||||
| 16 | 35D | 15 | 6 |
Math World
Factors: 3 * 7 * 41
861 is in the Pythagorean Triple: (620, 861, 1061).
861 is the sum of the counting numbers from 1 to 41 (See 'The Sum/Product of the First N Counting Numbers').
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