255

255 = 3 × 5 × 17

255 = 1 + 2 × 3 + 4 × 56 + 7 + 8 + 9

255 = 9 + 8 + 7 × 6 × 5 + 4 + 3 + 21

255 = 0^7 + 1^9 + 2^5 − 3^8 + 4^6 + 5^1 + 6^3 + 7^4 + 8^2 + 9^0

255 = (11 + 1)⁽¹⁺¹⁾ + 111

255 = 22^×(2+2) − 2/2

255 = 3 × (3 × 3³ + 3) + 3

254 = 4⁴ − (4 + 4)/4

255 = 5 × 5 × (5 + 5) + 5

255 = 6 × (6 × 6 + 6) + 6 × 6/(6 + 6)

255 = 7 × 7 × 7 − 77 − 77/7

255 = (8 + 8) × (8 + 8) − 8/8

255 = ((9 + 9)/9)^(9−9/9) − 9/9

Number k such that k^2 + 2 is prime

Numbers of edges of regular polygon constructible with unmarked straightedge and compass.

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

255 has the representation 255 = 2^8 - 1.

Sphenic number: Product of 3 distinct Primes, (List)

Factors: 1, 3, 5, 15, 17, 51, 85, 255

Two hundred fifty-five

Representations, Binary to Hexadecimal:

11111111_2
100110_3
3333_4
2010_5
1103_6
513_7
377_8
313_9
212_11
193_12
168_13
143_14
120_15
ff_16

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