242 (number)

← 241 242 243 →
← 240 241 242 243 244 245 246 247 248 249 → List of numbers ; Integers ; ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	two hundred forty-two
Ordinal	242nd; (two hundred forty-second)
Factorization	2 × 112
Greek numeral	ΣΜΒ´
Roman numeral	CCXLII, ccxlii
Binary	111100102
Ternary	222223
Senary	10426
Octal	3628
Duodecimal	18212
Hexadecimal	F216

Last updated January 05, 2026

242 (two hundred [and] forty-two) is the natural number following 241 and preceding 243.

242 is the smallest integer to start a run of four consecutive integers with the same number of divisors.^[1]^[2]

References

↑ R. K. Guy Unsolved Problems in Number Theory, section B18.
↑ D. Wells, The Penguin Dictionary of Curious and Interesting Numbers, Penguin Books, NY, 1986: 147, 176.

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[1] R. K. Guy Unsolved Problems in Number Theory, section B18.

[2] D. Wells, The Penguin Dictionary of Curious and Interesting Numbers, Penguin Books, NY, 1986: 147, 176.

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