Properties of the Number 55123

Fifty-Five Thousand One Hundred Twenty-Three

Basics

Value: 55122 → 55123 → 55124

Parity: odd

Prime: No

Previous Prime: 55117

Next Prime: 55127

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 199 × 277

Divisors: 1, 199, 277, 55123

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101011101010011

Octal: 153523

Duodecimal: 27A97

Hexadecimal: d753

Square: 3038545129

Square Root: 234.78287842174524

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 subsets of A = {1,2,...,n} that have the same center of gravity as A, i.e., (n+1)/2. A70925

a(n) = Fibonacci(n) concatenated with Lucas(n). A247338

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 61 ones. A31829

Base-13 complement of n (write n in base 13, then replace each digit with its base-13 negative). A55123

Number of (n+2)X4 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly two different ways, and new values 0..1 introduced in row major order. A204861