Properties of the Number 16630

Sixteen Thousand Six Hundred Thirty

Basics

Value: 16629 → 16630 → 16631

Parity: even

Prime: No

Previous Prime: 16619

Next Prime: 16631

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 1663

Divisors: 1, 2, 5, 10, 1663, 3326, 8315, 16630

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000011110110

Octal: 40366

Duodecimal: 975A

Hexadecimal: 40f6

Square: 276556900

Square Root: 128.9573572930215

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

Sum T(n,k) of the entries in the k-th last blocks of all set partitions of [n]; triangle T(n,k), n>=1, 1<=k<=n, read by rows. A286232

Structured disdyakis triacontahedral numbers (vertex structure 5). A100160

"BGK" (reversible, element, unlabeled) transform of 1,2,3,4,... A32063

Triangle read by rows: T(n,k) is the coefficient of t^k (k >= 1) in the polynomial P[n,t] defined by P[1,t] = P[2,t] = t, P[n,t] = P[n-1,t] + P²[n-2,t]. A103484

Number of binary strings of length n with no substrings equal to 0010 0110 or 1100. A164498

Numbers n such that n·2²²⁸¹ - 1 is prime. A265504

Taxicab, taxi-cab or Hardy-Ramanujan numbers: the smallest number that is the sum of 2 positive integral cubes in n ways. A11541

Decimal expansion of log(7). A16630

Numbers that are the sum of two cubes in exactly three ways. A344804