1544 = 1 × 2 + (3 + 4) × 5 × 6 × 7 + 8 × 9
1544 = 9 + 8 + 76 × 5 × 4 + 3 × 2 + 1
1544 = 0^2 + 1^8 + 2^7 − 3^9 + 4^5 + 5^6 + 6^0 + 7^3 + 8^4 + 9^1
1544 = 10^2 + 38^2
1544 divides 81^4 - 1.
Numbers k such that k^2 divides 9^k - 1
Number k such that (38*10^k + 349)/9 is prime.
Factors: 1, 2, 4, 8, 193, 386, 772, 1544
Representations, Binary to Hexadecimal:
11000001000_2
2010012_3
120020_4
22134_5
11052_6
4334_7
3010_8
2105_9
1184_11
a88_12
91a_13
7c4_14
6ce_15
608_16
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Graduate Studies in Mathematics
