Properties of the Number 52531

Fifty-Two Thousand Five Hundred Thirty-One

Basics

Value: 52530 → 52531 → 52532

Parity: odd

Prime: No

Previous Prime: 52529

Next Prime: 52541

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 131 × 401

Divisors: 1, 131, 401, 52531

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100110100110011

Octal: 146463

Duodecimal: 26497

Hexadecimal: cd33

Square: 2759505961

Square Root: 229.19642231064603

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 blocks in all RNA secondary structures with n nodes (an RNA secondary structure can be viewed as a restricted noncrossing partition). A110320

Triangle T(n, k, m) = coefficients of p(x, n, m) where p(x,n,m) = (x+1)*p(x, n-1, m) + (2^m+n-1 + 2^n-2*[n>=3])*x·p(x, n-2, m) and m=2, read by rows. A154984

If n is even then 2ⁿ+1 otherwise 2ⁿ. A52531