1425 = 1234 + 56 + (7 + 8) × 9
1425 = (9 + 8) × 76 + 5 + 4 × 32 × 1
1425 = 0^6 − 1^9 + 2^7 − 3^8 + 4^5 + 5^0 + 6^3 + 7^2 + 8^1 + 9^4
1425 divides 26^6 - 1.
Numbers k such that both k+2 and k-2 are prime.
Factors: 1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425
Representations, Binary to Hexadecimal:
10110010001_2
1221210_3
112101_4
21200_5
10333_6
4104_7
2621_8
1853_9
1086_11
9a9_12
858_13
73b_14
650_15
591_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics

