Properties of the Number 54126

Fifty-Four Thousand One Hundred Twenty-Six

Basics

Value: 54125 → 54126 → 54127

Parity: even

Prime: No

Previous Prime: 54121

Next Prime: 54133

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 31 × 97

Divisors: 1, 2, 3, 6, 9, 18, 31, 62, 93, 97

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101001101101110

Octal: 151556

Duodecimal: 273A6

Hexadecimal: d36e

Square: 2929623876

Square Root: 232.64995164409555

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 bifurcating nodes at generation n in the binary tree of persistently squarefree numbers (see A293230). A293522

Structured truncated tetrahedral numbers. A100156

a(n) = ∑_k=0..n (k/n)² * binomial(n,k)⁵. A374614

Number of subsets of 6 integers between 1 and n such that their sum is 1 modulo n. A381290

First term of n-th difference sequence of (floor(π*k/4)), k >= 0. A325743

Number of nX6 0..1 arrays with every element equal to 0, 1 or 4 horizontally or vertically adjacent elements, with upper left element zero. A301660

Odd-index Fibonacci row-sum array: T(n,k)=U(2n+1,n+1+k), 0<=k<=n, n >= 0, U the array in A054125. A54126

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1 or 4 horizontally or vertically adjacent elements, with upper left element zero. A301662