2163 = 123 + 4 × 5 × (6 + 7 + 89)
2163 = (98 × 7 + 6 × 5 + 4) × 3 + 2 + 1
2163 = 0^6 − 1^0 + 2^8 − 3^9 + 4^7 + 5^5 + 6^4 + 7^2 + 8^1 + 9^3
2163 divides 46^3 - 1.
The ring of integers of the field Q(sqrt(-2163)) has class number 8.
Sphenic number: Product of 3 distinct Primes, (List)
Factors: 1, 3, 7, 21, 103, 309, 721, 2163
Two thousand, one hundred sixty-three
100001110011_2
2222010_3
201303_4
32123_5
14003_6
6210_7
4163_8
2863_9
1697_11
1303_12
ca5_13
b07_14
993_15
873_16
<--- --->
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
