254 (number)

254 (two hundred [and] fifty-four) is the natural number following 253 and preceding 255.

← 253 254 255 →
← 250 251 252 253 254 255 256 257 258 259 → List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	two hundred fifty-four
Ordinal	254th (two hundred fifty-fourth)
Factorization	2 × 127
Divisors	1, 2, 127, 254
Greek numeral	ΣΝΔ´
Roman numeral	CCLIV, ccliv
Binary	111111102
Ternary	1001023
Senary	11026
Octal	3768
Duodecimal	19212
Hexadecimal	FE16

In mathematics

• It is a deficient number, since the sum of its divisors (excluding the same number) is 130 < 254.^{[1][better source needed]}
• It is a semiprime number.^[2][3][1] Moreover, in American English, its name has a semiprime number of syllables.^[2]
• It is a square-free integer.^[4]
• It is a nontotient.^[5]
• It is a lazy caterer number.^[6]
• It is a congruent number.^[4]