3030 = 1 + 2 × (3 + 4) × 5 × 6 × 7 + 89
3030 = 9 + (8 + 7 × 6) × 54 + 321
3030 = 0^2 + 1^8 + 2^6 − 3^9 + 4^7 + 5^5 + 6^0 + 7^4 + 8^1 + 9^3
Number k such that k, k + 1 and k + 2 are 3 consecutive Harshad numbers.
a(n) = n^2 + (n+1)^2 + (n+2)^2 + (n+3)^2, n = 26
Product of exactly four distinct Primes. (List)
Factors: 1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 505, 606, 1010, 1515, 3030
Representations, Binary to Hexadecimal:
101111010110_2
11011020_3
233112_4
44110_5
22010_6
11556_7
5726_8
4136_9
2305_11
1906_12
14c1_13
1166_14
d70_15
bd6_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
