1580 = 1 × 23 × 45 + 67 × 8 + 9
1580 = (98 + 7) × (6 + 5 + 4) + 3 + 2 × 1
1580 = 0^0 + 1^8 + 2^7 − 3^9 + 4^5 + 5^6 + 6^2 + 7^3 + 8^4 + 9^1
\( 1580^10 \approx 1400^10 +1525^10 \) Fermat approximate solutions
Factors: 1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580
Representations, Binary to Hexadecimal:
11000101100_2
2011112_3
120230_4
22310_5
11152_6
4415_7
3054_8
2145_9
1207_11
ab8_12
947_13
80c_14
705_15
62c_16
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