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Properties of the Number 16659

Sixteen Thousand Six Hundred Fifty-Nine

Basics

Value: 16658 → 16659 → 16660

Parity: odd

Prime: No

Previous Prime: 16657

Next Prime: 16661

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 3 × 617

Divisors: 1, 3, 9, 27, 617, 1851, 5553, 16659

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100000100010011

Octal: 40423

Duodecimal: 9783

Hexadecimal: 4113

Square: 277522281

Square Root: 129.06974858579372

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

Number of "cubic partitions" of n: expansion of ∏k>0 1/((1-x2k)2*(1-x2k-1)) in powers of x. A2513
Numbers that are the sum of five fourth powers in three or more ways. A344243
Numbers that are the sum of five fourth powers in exactly three ways. A344244
Number of compositions of n with the smallest part in the first position. A171682
Array read by antidiagonals: T(m,n) = number of irredundant sets in the m X n king graph. A286870
Triangle T(n,k) (n>=1, rows have irregular lengths) giving number of arrangements of k nonattacking princes on an n X n staggered hexagonal torus board. A67015
Triangle read by rows: coefficients of rook polynomials. A259985
Graham-Sloane-type lower bound on the size of a ternary (n,3,4) constant-weight code. A30504
Number of rooted identity trees with n nodes and 4 leaves. A55329
Numbers n such that n+/-2 and n2+/-2 are all primes. A189051