Properties of the Number 54544

Fifty-Four Thousand Five Hundred Forty-Four

Basics

Value: 54543 → 54544 → 54545

Parity: even

Prime: No

Previous Prime: 54541

Next Prime: 54547

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 7 × 487

Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 56, 112

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101010100010000

Octal: 152420

Duodecimal: 27694

Hexadecimal: d510

Square: 2975047936

Square Root: 233.54656923192

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

Boustrophedon transform of squares. A745

Numbers for which the number of prime divisors counted with multiplicity and the sum of the distinct prime divisors are both perfect. A233563

Expansion of e.g.f.: tanh(exp(x) - cos(x)) = x + (2/2!)*x² - (1/3!)*x³ - (24/4!)*x⁴ - (123/5!)*x⁵ + ... A13317

a(n) is the least positive integer that can be expressed as the sum of two distinct nonzero decimal palindromes in exactly n ways. A364836

Lah numbers: a(n) = n!*binomial(n-1,7)/8!. A111598

G.f.: η(x) + x*η'(x). A184362

Nonprimes such that it takes exactly 3 iterations of reverse-and-add digits to generate a prime. A245208

Number of compositions of n into parts 4 and 5 with at least one 4 and one 5. A245527

Engel series expansion (or "Egyptian product") for Khintchine's constant. A54544