730 = 1 × 23 + 4 × 5 + 678 + 9
730 = 98 × 7 + 6 × 5 + 4 × 3 + 2 × 1
730 = 0^7 + 1^9 + 2^5 − 3^8 + 4^6 + 5^2 + 6^1 + 7^4 + 8^0 + 9^3
730 = 1^2 + 27^2 = 17^2 + 21^2
730 divides 81^3 - 1.
Number that is the sum of 4 positive 5th powers.
Number k such that k | 9^k + 9
a(n) = n^3 + 1. (n=9)
Sphenic number: Product of 3 distinct Primes, (List)
Factors: 1, 2, 5, 10, 73, 146, 365, 730
Seven hundred thirty
Representations, Binary to Hexadecimal:
1011011010_2
1000001_3
23122_4
10410_5
3214_6
2062_7
1332_8
1001_9
604_11
50a_12
442_13
3a2_14
33a_15
2da_16
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