Numeric Value: 820

The folowing table expresses '820' in various number bases. 'DR_x' 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	1100110100							101	10	1
3				1010101					11	2
4						30310			13,10	1
5						11240			13	4
6							3444		23	5
7							2251		13	4
8							1464		17,10	1
9							1111			4
10								820	10	1
11								686	19	A
12								584	15	6
13								4B1	13	4
14								428	10	1
15								39A	17	8
16								334		A

Math World

Factors: 2² * 5 * 41

820 is in the Pythagorean Triple: (820, 1581, 1781).

820 is the sum of the counting numbers from 1 to 40 (See 'The Sum/Product of the First N Counting Numbers').

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