2628 = 12 + 3 + 4 × (567 + 89)
2628 = 9 + 87 × 6 × 5 + 4 + 3 + 2 × 1
2628 = −0^0 + 1^9 − 2^7 − 3^8 + 4^6 + 5^5 + 6^4 + 7^1 + 8^2 + 9^3
Second hexagonal number: a(n) = n*(2*n + 1), n = 36
2628 = 18^2 + 48^2
2628 divides 65^6 - 1.
2628 = binomial(72 + 1, 2) is the 72nd triangular number.
Factors: 1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628
Two thousand, six hundred twenty-eight
Representations, Binary to Hexadecimal:
101001000100_2
10121100_3
221010_4
41003_5
20100_6
10443_7
5104_8
3540_9
1a7a_11
1630_12
1272_13
d5a_14
ba3_15
a44_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics

