Properties of the Number 44440

Forty-Four Thousand Four Hundred Forty

Basics

Value: 44439 → 44440 → 44441

Parity: even

Prime: No

Previous Prime: 44417

Next Prime: 44449

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 5 × 11 × 101

Divisors: 1, 2, 4, 5, 8, 10, 11, 20, 22, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010110110011000

Octal: 126630

Duodecimal: 21874

Hexadecimal: ad98

Square: 1974913600

Square Root: 210.80796948882175

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

Numbers whose decimal expansion contains only 0's and 4's. A169967

Number of integer partitions of n such that the least and greatest parts are both even or both odd. A391225

Number of partitions of n such that (greatest part) + (least part) < number of parts. A237822

Sum of the perimeters of all regions of the n-th section of a modular table of partitions. A278602

Numbers having four 4's in base 10. A43508

G.f. is 1 - 1/f(x), where f(x) = 1+x+3·x²+9·x³+32·x⁴+... is 1/x times g.f. for A063020. A7858

Numbers n such that 13ⁿ is the highest power of 13 dividing A240751(n). A286007

Sum of squares of entries of Wilkinson's eigenvalue test matrix of order 2n+1. A59834

Numbers n = x0 x1 x2...x9 such that ξ is the number of digits greater than i in n. A226195

a(0) = 0, a(n) = previous term + repunit of length of previous term for n > 0. A247107