5687 = 1234 × 5678 + 9
5687 = 9 + 87 + 65 × 43 × 2 + 1
5687 = 0^1 + 1^8 + 2^7 − 3^9 + 4^6 + 5^2 + 6^3 + 7^5 + 8^4 + 9^0
a(n) = (2*n + 1)*(5*n + 6), n = 23
5687 cannot be written as a sum of 3 squares. (Integers that are not a sum of three squares)
Factors: 1, 11, 47, 121, 517, 5687
Five thousand, six hundred eighty-seven
Representations, Binary to Hexadecimal:
1011000110111_2
21210122_3
1120313_4
140222_5
42155_6
22403_7
13067_8
7718_9
4300_11
335b_12
2786_13
2103_14
1a42_15
1637_16
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