Properties of the Number 53809

Fifty-Three Thousand Eight Hundred Nine

Basics

Value: 53808 → 53809 → 53810

Parity: odd

Prime: No

Previous Prime: 53791

Next Prime: 53813

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 7687

Divisors: 1, 7, 7687, 53809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101001000110001

Octal: 151061

Duodecimal: 27181

Hexadecimal: d231

Square: 2895408481

Square Root: 231.96767016116706

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

Second partial sums of A001891. A53809

a(n) = smallest positive integer ratio x/y for numbers x,y that together have the same digits as all numbers from 1 to n (leading zeros are not allowed). A200980