In Mathematics
- 187 is an odd number
- 187 is a composite number
- 187 is a deficient number, as 29 is less than 187
- 187 is a self number
- 187 is a square-free number
- Prime factors of 187: 11 × 17
- Divisors of 187: 1, 11, 17, 187
- 187 is the sum of 3 consecutive prime numbers: 59 + 61 + 67
- 187 is the sum of 9 consecutive primes: 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37
- 187 is the difference of 2 square numbers: 142 - 32, and 942 -932
- 187 is a centered 31-gonal number
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“I must study politics and war that my sons may have liberty to study mathematics and philosophy.”
—John Adams (1735–1826)