Properties of the Number 55727

Fifty-Five Thousand Seven Hundred Twenty-Seven

Basics

Value: 55726 → 55727 → 55728

Parity: odd

Prime: No

Previous Prime: 55721

Next Prime: 55733

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 × 19 × 419

Divisors: 1, 7, 19, 133, 419, 2933, 7961, 55727

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101100110101111

Octal: 154657

Duodecimal: 282BB

Hexadecimal: d9af

Square: 3105498529

Square Root: 236.0656688296712

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

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302322

Fifth diagonal of triangle A064094. A64096

Expansion of (1-x)/(1-x-x²+2·x³). A78011

a(n+2) = a(n+1) + a(n) + A·tⁿ, with A = 1 and t = -2. A224508

Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302321

Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302325

Number of lucky 4,6 triples <= 10ⁿ. A55727