Properties of the Number 55187

Fifty-Five Thousand One Hundred Eighty-Seven

Basics

Value: 55186 → 55187 → 55188

Parity: odd

Prime: No

Previous Prime: 55171

Next Prime: 55201

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 11 × 29 × 173

Divisors: 1, 11, 29, 173, 319, 1903, 5017, 55187

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 1101011110010011

Octal: 153623

Duodecimal: 27B2B

Hexadecimal: d793

Square: 3045604969

Square Root: 234.91913502309683

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

Primefree centuries (i.e., numbers k such that no prime exists between 100·k and 100·k+99). A181098

Numbers which form a prime by appending a 3-digit odd number and form no primes by appending any 1- or 2-digit odd number not beginning with 0. A91089

Numbers which form a prime by appending a 3-digit number and form no primes by appending 1 digit or 2 digits. A365813

Cumulative counting sequence: method A (adjective-before-noun)-pairs with first term 1. A55187

a(n) = 9·a(n-1) + a(n-2) for n>1; a(0) = a(1) = 1. A15455

Expansion of (1+3·x)/(1-8·x²). A96886