Properties of the Number 44638

Forty-Four Thousand Six Hundred Thirty-Eight

Basics

Value: 44637 → 44638 → 44639

Parity: even

Prime: No

Previous Prime: 44633

Next Prime: 44641

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 × 2029

Divisors: 1, 2, 11, 22, 2029, 4058, 22319, 44638

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010111001011110

Octal: 127136

Duodecimal: 219BA

Hexadecimal: ae5e

Square: 1992551044

Square Root: 211.27706927160835

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

G.f. A(x) satisfies: [x^n-1] (1+x)^n² / A(x)ⁿ = 0 for n>1. A303060

a(n) = ∑_i=1..n σ(i)*σ(i+1), where σ(n) = A000203(n) is the sum of the divisors of n. A330322

Number of integers in n-th generation of tree T(-1/4) defined in Comments. A274149

a(n) = 6ⁿ mod n⁶. A66610

a(n) = nⁿ⁺¹ mod (n+1)ⁿ. A176823

Number of 5-step one space leftwards or up, two space rightwards or down asymmetric rook's tours on an n X n board summed over all starting positions. A187300

Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A299657

Numbers n such that string 0,6 occurs in the base 9 representation of n but not of n+1. A44638