Properties of the Number 63531

Sixty-Three Thousand Five Hundred Thirty-One

Basics

Value: 63530 → 63531 → 63532

Parity: odd

Prime: No

Previous Prime: 63527

Next Prime: 63533

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 13 × 181

Divisors: 1, 3, 9, 13, 27, 39, 117, 181, 351, 543

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111100000101011

Octal: 174053

Duodecimal: 30923

Hexadecimal: f82b

Square: 4036187961

Square Root: 252.05356573553962

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 integer compositions of n whose leaders of strictly increasing runs are distinct. A374687

a(1) = a(2) = 1; a(n) = gcd(a(n-1), a(n-2)) + (a(n-1) + a(n-2))/gcd(a(n-1), a(n-2)). A355898

a(n) = (2·n³ + 5·n² + 21·n)/2. A162266

Number of planar triangular n X n X n nonnegative integer grids symmetric under 120 degree rotation with every similarly oriented 5 X 5 X 5 subtriangle summing to 15. A154093

Integers n such that (25·10ⁿ)+1 is prime. A171612

Numbers k such that σ(k) + 1 is a square. A63531