Properties of the Number 44505

Forty-Four Thousand Five Hundred Five

Basics

Value: 44504 → 44505 → 44506

Parity: odd

Prime: No

Previous Prime: 44501

Next Prime: 44507

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 23 × 43

Divisors: 1, 3, 5, 9, 15, 23, 43, 45, 69, 115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010110111011001

Octal: 126731

Duodecimal: 21909

Hexadecimal: add9

Square: 1980695025

Square Root: 210.96208190098997

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 n-step walks on square lattice in the first quadrant which finish at distance n-3 from the x-axis. A5564

Odd n such that 2*φ(n) < n, but there does not exist an even k < n with φ(k) = φ(n). A118700

Numbers n such that n and n+1 both have 24 divisors. A274362

Constant term when a polynomial of degree <= n is fitted to the first n+1 upper members of the twin prime pairs. A82675

Numbers k such that sopf(k) = 2·sopf(k+1), where sopf(k) = A008472. A64112

30 'Reverse and Add' steps are needed to reach a palindrome. A65319

Numbers k such that (k+1)*φ(k) is a perfect square. A69952

Number of (n+2) X 9 0..1 matrices with each 3 X 3 subblock idempotent. A224558

Numbers k such that k and k+1 both have the prime signature (2,1,1,1) (A189982). A336658

Numbers n such that string 3,4 occurs in the base 6 representation of n but not of n+1. A44505