Properties of the Number 14521

Fourteen Thousand Five Hundred Twenty-One

Basics

Value: 14520 → 14521 → 14522

Parity: odd

Prime: No

Previous Prime: 14519

Next Prime: 14533

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 13 × 1117

Divisors: 1, 13, 1117, 14521

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11100010111001

Octal: 34271

Duodecimal: 84A1

Hexadecimal: 38b9

Square: 210859441

Square Root: 120.50311199301038

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

a(n) = sigma₄(n²)/sigma₂(n²). A84218

a(n) = 9·n² + 3·n + 1. A82040

a(n) = n⁴ - n² + 1. A60886

a(n) = 30·n² + 1. A158558

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

Strong pseudoprimes to base 11. A20237

Number of partitions p of n such that (maximal multiplicity of the parts of p) > (maximal part of p). A240314

Pseudoprimes to base 11. A20139

dot_product(n,n-1,...2,1)*(7,8,...,n,1,2,3,4,5,6). A26066

Partial sums of usigma(n)²: square of the sum of unitary divisors of n. A74789