580 = 22 x 5 x 29.
580 is 1001000100 in base 2 (binary). The base 3 (210111) and base 4 (21010) representations of 580 both start with 2101. 580 is 2404 in base 6 and 404 in base 12. It is 202 in base 17 and 104 in base 24.
580 has two representations as a sum of two squares: 580 = 22 + 242 = 162 + 182.
580 is the sum of six consecutive primes: 580 = 83 + 89 + 97 + 101 + 103 + 107.
Source: Positive Integers