343

343 = 7 × 7 × 7

343 = 1 × 23 + 4 × 56 + 7 + 89

343 = (9 + 8) × 7 + 6 + 5 × 43 + 2 + 1

343 = 0^4 − 1^6 − 2^8 − 3^9 + 4^7 + 5^5 + 6^2 + 7^0 + 8^1 + 9^3

343 divides 18^3 - 1.

Cube: a(n) = n^3, n = 7

a(n) = a(n-1) + a(n-2) with a(0)=2, a(1)=5. n = 10 , Evangelist Sequence.

343 cannot be written as a sum of 3 squares. (Integers that are not a sum of three squares)

Factors: 1, 7, 49, 343

Three hundred forty-three

Representations, Binary to Hexadecimal:

101010111_2
110201_3
11113_4
2333_5
1331_6
1000_7
527_8
421_9
292_11
247_12
205_13
1a7_14
17d_15
157_16

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