1353 = 1234 + 5 + 6 × 7 + 8 × 9
1353 = 9 × 87 + 6 + 543 + 21
1353 = 0^8 − 1^9 + 2^7 − 3^6 + 4^5 + 5^4 + 6^3 + 7^0 + 8^1 + 9^2
1353 divides 32^4 - 1.
a(n) = n*(n+8), n = 33
Number of edges in an equilateral triangle when n internal equilateral triangles are drawn between the 3n points that divide each side into n+1 equal parts. (n=15)
Sphenic number: Product of 3 distinct Primes, (List)
Factors: 1, 3, 11, 33, 41, 123, 451, 1353
Representations, Binary to Hexadecimal:
10101001001_2
1212010_3
111021_4
20403_5
10133_6
3642_7
2511_8
1763_9
1020_11
949_12
801_13
6c9_14
603_15
549_16
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