240 (number)

240 is a number. It comes after 239 and before 241.

← 239 240 241 →
240 241 242 243 244 245 246 247 248 249
Cardinaltwo hundred forty
Ordinal240th
(two hundred fortieth)
Factorization24× 3 × 5
Greek numeralΣΜ´
Roman numeralCCXL
Binary111100002
Ternary222203
Quaternary33004
Quinary14305
Senary10406
Octal3608
Duodecimal18012
HexadecimalF016
VigesimalC020
Base 366O36

In mathematics

  • 240 is an even number.
  • It is a composite number, meaning it has more than two factors.
  • The prime factorization of 240 is: 240 = 2⁴ × 3 × 5 (which means 2 × 2 × 2 × 2 × 3 × 5)
  • The digits of 240 add up to 6 (2 + 4 + 0 = 6).
  • 240 is a highly composite number, which means it has more divisors than any smaller positive integer.
  • It is also a harshad number because 240 is divisible by the sum of its digits (6).
  • It is the smallest number that can be expressed as a sum of consecutive primes in three different ways.

In other areas

Fun fact

  • 240 has 20 divisors, which is more than many numbers smaller than it.
  • 240 is the sum of four consecutive prime numbers: 53 + 59 + 61 + 67 = 240