Properties of the Number 16460

Sixteen Thousand Four Hundred Sixty

Basics

Value: 16459 → 16460 → 16461

Parity: even

Prime: No

Previous Prime: 16453

Next Prime: 16477

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 823

Divisors: 1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000001001100

Octal: 40114

Duodecimal: 9638

Hexadecimal: 404c

Square: 270931600

Square Root: 128.296531519757

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers k such that 2^k - 3 is prime. A50414

Number of nonisomorphic circulant graphs, i.e., undirected Cayley graphs for the cyclic group of order n. A49287

Expansion of ∏_n>=1 ((1 - (2·x)ⁿ)/(1 + (2·x)ⁿ))^1/2. A303306

Triangle read by rows giving the sum of the number of k-matchings of the graphs obtained by deleting one edge and its two vertices from the ladder graph L_n = P₂ X P_n in all possible ways. A318243

Number of circulant graphs on n vertices up to Cayley isomorphism. A285620

a(n) = ∑_{k=0..floor(n/2)} (k+1) * binomial(k,2*(n-2·k)). A392251

a(n) = n*(21·n-17)/2. A226491

Square array T(n,k), n >= 1, k >= 0, read by antidiagonals downwards, where T(n,k) = ∑_j=1..n k^floor(n/j - 1). A345032

Sum of numbers in the n-th antidiagonal of the reciprocity array of 1. A259577

a(n) = ∑_k=1..n 4^{gcd(k, n} - 1). A343490