Properties of the Number 55228

Fifty-Five Thousand Two Hundred Twenty-Eight

Basics

Value: 55227 → 55228 → 55229

Parity: even

Prime: No

Previous Prime: 55219

Next Prime: 55229

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 13807

Divisors: 1, 2, 4, 13807, 27614, 55228

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101011110111100

Octal: 153674

Duodecimal: 27B64

Hexadecimal: d7bc

Square: 3050131984

Square Root: 235.00638289203977

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

Numbers k such that A003415(k) == A276085(k) (mod 5⁵), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function. A391865

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

a(n) = ceiling(sqrt(n!)). A55228

a(n) is the minimum sum of all such subsets of divisors of n for which n-s and (σ(n)-s)-n are relatively prime, where s is the sum of the subset. A325967

Number of (n+1)X(1+1) 0..3 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise. A235574