159 = 1 + 2 × 34 + 5 + 6 + 7 + 8 × 9
159 = 9 × 8 + 7 + 65 + 4 × 3 + 2 + 1
159 = 0^5 + 1^6 + 2^8 − 3^9 + 4^7 + 5^0 + 6^1 + 7^4 + 8^2 + 9^3
159 divides 52^2 - 1.
Positive number whose product of digits is three times their sum.
159 cannot be written as a sum of 3 squares. (Integers that are not a sum of three squares).
Semiprime (Product of 2 Primes)
Factors: 1, 3, 53, 159
One hundred fifty-nine
Representations, Binary to Hexadecimal:
10011111_2
12220_3
2133_4
1114_5
423_6
315_7
237_8
186_9
135_11
113_12
c3_13
b5_14
a9_15
9f_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
