Properties of the Number 28451

Twenty-Eight Thousand Four Hundred Fifty-One

Basics

Value: 28450 → 28451 → 28452

Parity: odd

Prime: No

Previous Prime: 28447

Next Prime: 28463

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 23 × 1237

Divisors: 1, 23, 1237, 28451

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111100100011

Octal: 67443

Duodecimal: 1456B

Hexadecimal: 6f23

Square: 809459401

Square Root: 168.67424225411537

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

Matrix cube-root of triangle A107717. A107719

Numbers n such that the digits of σ(n) are exactly the same (albeit in different order) as the digits of φ(n), in base 10. A175795

Hurwitz inverse of [1 followed by primes], [1,2,3,5,7,...]. A302194

Sequence such that the Hankel transform of a(n+1) satisfies a generalized Somos-4 recurrence. A160702

Column 1 of triangle A107719. A107721

Number of perfect matchings in graph P₂ X P₇ X P_n. A28451