The number 240

Representation numerals

Greek numeral

σμ

Arabic numeral

٢٤٠

Roman numeral

CCXL

Maya numeral

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Chinese numeral

二百四十

Hebrew numeral

רמ
Numeral systems
Binary: 11110000
Septimal (base 7): 462
Octal: 360
Hexadecimal: f0
Base 24: A0
Factorization
240 = 2 × 2 × 2 × 2 × 3 × 5
240 has 20 divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240
Sum of all divisors other than 240: 504
Sums & differences
Difference of 2 squares: 240 = 162 - 42 = 172 - 72 = 192 - 112 = 232 - 172 = 322 - 282 = 612 - 592
Goldbach conjecture: 240 = 233 + 7 = 229 + 11 = 227 + 13 = 223 + 17 = 211 + 29 = 199 + 41 = 197 + 43 = 193 + 47 = 181 + 59 = 179 + 61 = . . . (only the first 10 pairs are shown)
Characteristics
Related primes
The 240th prime number is: 1511
Previous prime number: 239 — Next prime number: 241
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