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The Number 254

254 is composite: factorization 2 × 127. That gives 254 exactly 4 divisors: 1, 2, 127, 254. 254's proper divisors total just 130, 124 short of 254, the deficient case most of 254's neighbors share too. 254 has a digit sum of 11; for 254, the digital root works out to 2. 254: 2 all divide 254 evenly, out of 2-12. 254 is 11111110 in binary and FE in hex; as a Roman numeral it's CCLIV.

Factors
1, 2, 127, 254
Number of factors
4
Prime?
No
Prime factorization
2 x 127
Even or odd
Even
Square
64516
Cube
16387064
Binary
11111110
Hexadecimal
FE
Roman numeral
CCLIV
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 254 in detail →Is 254 prime? →