Properties of the Number 52642

Fifty-Two Thousand Six Hundred Forty-Two

Basics

Value: 52641 → 52642 → 52643

Parity: even

Prime: No

Previous Prime: 52639

Next Prime: 52667

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 26321

Divisors: 1, 2, 26321, 52642

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100110110100010

Octal: 146642

Duodecimal: 2656A

Hexadecimal: cda2

Square: 2771180164

Square Root: 229.43844490407443

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

Triangle read by rows: T(n,k) (1 <= k <= n) given by T(n, 1) = T(n,n) = 1, otherwise T(n, k) = (m·n-m·k+1)*T(n-1,k-1) + (m·k-m+1)*T(n-1,k), where m = 6. A142461

Base numbers of 9-gonal palindromic numbers. A55560

Number of partitions of n containing at least one part m-5 if m is the largest part. A212545

Pisot sequence E(8,14), a(n)=[ a(n-1)²/a(n-2)+1/2 ]. A14002

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 121", based on the 5-celled von Neumann neighborhood. A270208

[ exp(4/15)*n! ]. A30913

Number of palindromic nonagonal numbers of length n whose index is also palindromic. A307808

Expansion of e.g.f. x²*(2+x-x²)/(1-x). A52642