5461 = 1 + 2 × (3 × 4 + 5 × 6) × (7 × 8 + 9)
5461 = (9 × 8 + 7) × (65 + 4) + 32 + 1
5461 = 0^7 + 1^9 − 2^8 + 3^6 + 4^1 + 5^5 + 6^4 + 7^2 + 8^3 + 9^0
5461 divides 4^7 - 1.
Jacobsthal number: a(n) = a(n-1) + 2*a(n-2), with a(0) = 0, a(1) = 1; also a(n) = nearest integer to 2^n/3. n = 14
Octagonal number: n*(3*n-2). Also called star number, n = 43
Semiprime (Product of 2 Primes)
Factors: 1, 43, 127, 5461
five thousand, four hundred sixty-one
Representations, Binary to Hexadecimal:
1010101010101_2
21111021_3
1111111_4
133321_5
41141_6
21631_7
12525_8
7437_9
4115_11
31b1_12
2641_13
1dc1_14
1941_15
1555_16
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