664 = 12 + 3 + 4 × 5 + 6 + 7 × 89
664 = 9 + 87 × 6 + 5 + 4 × 32 × 1
664 = 0^4 + 1^8 + 2^6 − 3^9 + 4^7 + 5^5 + 6^2 + 7^1 + 8^0 + 9^3
Number k such that k^8 + 1 is prime
Number of knapsack partitions of 33
*Factors: 1, 2, 4, 8, 83, 166, 332, 664
Representations, Binary to Hexadecimal:
1010011000_2
220121_3
22120_4
10124_5
3024_6
1636_7
1230_8
817_9
554_11
474_12
3c1_13
356_14
2e4_15
298_16
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