79 is a Prime Number
The smallest integer which cannot be represented by less than 19 nth powers
79 = 14 + 14 + 14 + 14 + 14 + 14 + 14 + 14 + 14 + 14+ 14 + 14 + 14+ 14+ 14 + 24 + 24 + 24 + 24
79 = 1 + 2 + 3 × 4 + 5 + 6 × 7 + 8 + 9
79 = 9 + 8 + 7 × 6 + 5 + 4 × 3 + 2 + 1
79 = 0^1 − 1^9 − 2^6 + 3^8 − 4^7 + 5^5 + 6^3 + 7^0 + 8^2 + 9^4
Emirp , 97 is also Prime
a(n) = n*(7*n + 11)/2 + 1.
Smallest number whose sum of digits is 17.
Factors: 1, 79
Representations, Binary to Hexadecimal:
1001111_2
2221_3
1033_4
304_5
211_6
142_7
117_8
87_9
72_11
67_12
61_13
59_14
54_15
4f_16
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