147 (number)

147 is a natural number following 146 and preceding 148.

Mathematics:

• 147 is a composite number.
• Its prime factorization is 3 x 7 x 7, or 3 x 7².
• 147 has the divisors 1, 3, 7, 21, 49, and 147.
• 147 is a deficient number as the sum of its proper divisors (1 + 3 + 7 + 21 + 49 = 81) is less than itself.
• 147 can be expressed as the sum of three consecutive primes: 43 + 47 + 53 = 147.
• 147 can be written as the sum of five consecutive primes: 23 + 29 + 31 + 37 + 27 = 147 (Note: 27 is not prime, so this statement is incorrect and should be revised) (Corrected): 19 + 23 + 29 + 31 + 41 = 143 (close but not quite) 17 + 19 + 23 + 29 + 59 = 147

Other Possible Significance:

• 147 is the highest possible break in snooker, requiring all 15 red balls to be potted with a black ball after each, and then potting all the colours in sequence.
• It can be seen as a numerical representation in various systems, depending on context. Its meaning varies widely depending on the application.