1443 = 1 + 2 + 3 × (456 + 7 + 8 + 9)
1443 = 9 × 87 + 654 + 3 + 2 + 1
1443 = 0^5 + 1^6 + 2^8 − 3^9 + 4^7 + 5^0 + 6^2 + 7^3 + 8^4 + 9^1
The ring of integers of the field Q(sqrt(-1443)) has class number 8.
Sphenic number: Product of 3 distinct Primes, (List)
Factors: 1, 3, 13, 37, 39, 111, 481, 1443
Representations, Binary to Hexadecimal:
10110100011_2
1222110_3
112203_4
21233_5
10403_6
4131_7
2643_8
1873_9
10a2_11
a03_12
870_13
751_14
663_15
5a3_16
<--- --->
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
