Properties of the Number 55618

Fifty-Five Thousand Six Hundred Eighteen

Basics

Value: 55617 → 55618 → 55619

Parity: even

Prime: No

Previous Prime: 55609

Next Prime: 55619

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 27809

Divisors: 1, 2, 27809, 55618

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101100101000010

Octal: 154502

Duodecimal: 2822A

Hexadecimal: d942

Square: 3093361924

Square Root: 235.83468786419016

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(n) = Fibonacci(n) AND Fibonacci(n+1). A51122

Distance from 2ⁿ to the nearest triangular number. A233327

Difference between 4ⁿ and the nearest triangular number. A238455

a(n) = A·10^4·n-1 + B with A = 990*(10^4·n-1)/9999 and B = 990000*(10^4·n-4-1)/9999 + 100. A55618

Number of nX3 0..2 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 3 and at least one element with value (x(i,j)-1) mod 3, and upper left element zero. A231026