Properties of the Number 55999

Fifty-Five Thousand Nine Hundred Ninety-Nine

Basics

Value: 55998 → 55999 → 56000

Parity: odd

Prime: No

Previous Prime: 55997

Next Prime: 56003

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 29 × 1931

Divisors: 1, 29, 1931, 55999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101101010111111

Octal: 155277

Duodecimal: 284A7

Hexadecimal: dabf

Square: 3135888001

Square Root: 236.64107842891522

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) = (4·n³-3·n²+5·n-3)/3. A177342

Numbers k with digits 5 and 9 only. A284382

a(n) = n*(n + 7)/2. A55999

Smallest odd k > 1 such that k·2ⁿ - 1 is a prime number. A247202

Integer part of e[n]π, where [n] indicates hyper-n, e = 2.718281828459045..., and π = 3.141592653589793... (using H. Kneser's proposal for n > 3). A352396