371

371 = 7 x 53.

371 is a narcissistic number (Armstrong number): 371 = 3³ + 7³ + 1³.

371 is the largest known semiprime that is also the sum of consecutive prime numbers from 7 (smallest prime factor) to 53 (largest prime factor): 371 = 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53.

371 is the sum of three consecutive primes and seven consecutive primes: 371 = 113 + 117 + 131 = 41 + 43 + 47 + 53 + 59 + 61 + 67.

371 is the sum of five positive fifth powers: 371 = 3⁵ + 2⁵ + 2⁵ + 2⁵ + 2⁵.

Source: Number Gossip