Properties of the Number 54782

Fifty-Four Thousand Seven Hundred Eighty-Two

Basics

Value: 54781 → 54782 → 54783

Parity: even

Prime: No

Previous Prime: 54779

Next Prime: 54787

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 ² × 13 × 43

Divisors: 1, 2, 7, 13, 14, 26, 43, 49, 86, 91

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101010111111110

Octal: 152776

Duodecimal: 27852

Hexadecimal: d5fe

Square: 3001067524

Square Root: 234.05554896220684

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

Number of face-connected components of tetragonal disphenoidal cells in the tetragonal disphenoidal honeycomb up to translation, rotation, and reflection. A385024

a(n) = 324n² + 2n. A158271

a(n) = 676·n² + 26. A158643

a(n) = n*(3·n² + 3·n + 1). A249354

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 18. A31696

Number of (2+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 5 6 or 7. A252681

Number of nX4 0..1 arrays with every element equal to 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero. A301819

Number of primes <= the n-th Fibonacci number. A54782