3151 = 1 + (2 + 3 + 4) × (5 + 6 × 7 × 8 + 9)
3151 = 98 × (7 + 6) + 54 × 3 + 2 × 1
3151 = 0^6 + 1^7 + 2^9 − 3^8 + 4^1 + 5^4 + 6^5 + 7^0 + 8^2 + 9^3
Pentagonal number: a(n) = n*(3*n-1)/2. n = 46
3151 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, 23, 137, 3151
Three thousand, one hundred fifty-one
Representations, Binary to Hexadecimal:
110001001111_2
11022201_3
301033_4
100101_5
22331_6
12121_7
6117_8
4281_9
2405_11
19a7_12
1585_13
1211_14
e01_15
c4f_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
