Properties of the Number 53805

Fifty-Three Thousand Eight Hundred Five

Basics

Value: 53804 → 53805 → 53806

Parity: odd

Prime: No

Previous Prime: 53791

Next Prime: 53813

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 17 × 211

Divisors: 1, 3, 5, 15, 17, 51, 85, 211, 255, 633

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101001000101101

Octal: 151055

Duodecimal: 27179

Hexadecimal: d22d

Square: 2894978025

Square Root: 231.95904810979027

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 transform of the central binomial coefficients A001405. A113409

Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 2 X n array. A219628

Expansion of (1 + x)¹² / (1 - x)¹³. A53805