Properties of the Number 54281

Fifty-Four Thousand Two Hundred Eighty-One

Basics

Value: 54280 → 54281 → 54282

Parity: odd

Prime: No

Previous Prime: 54277

Next Prime: 54287

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 17 × 31 × 103

Divisors: 1, 17, 31, 103, 527, 1751, 3193, 54281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1101010000001001

Octal: 152011

Duodecimal: 274B5

Hexadecimal: d409

Square: 2946426961

Square Root: 232.98283198553494

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

Solutions a(n) to (r(n)-5)*(r(n)-6) = 21·a(n)*(a(n)-1). A181443

G.f.: A(x) = ∑_n>=0 xⁿ * A(n·x) / A(x)ⁿ. A209238

Positions of 5's in the decimal expansion of exp(1). A54281

Number of nX5 0..1 arrays with every element equal to 0, 1, 2 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302412