Properties of the Number 40446

Forty Thousand Four Hundred Forty-Six

Basics

Value: 40445 → 40446 → 40447

Parity: even

Prime: No

Previous Prime: 40433

Next Prime: 40459

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 7 × 107

Divisors: 1, 2, 3, 6, 7, 9, 14, 18, 21, 27

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1001110111111110

Octal: 116776

Duodecimal: 1B4A6

Hexadecimal: 9dfe

Square: 1635878916

Square Root: 201.11190914513242

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

Unitary amicable numbers. A63991

Larger of unitary amicable pair. A2953

Aliquot sequence starting at 138. A8888

a(n) = 1/sqrt(5) * the imaginary part of ∏_{k = 0..n} 1 + k·sqrt(-5). A363416

Aliquot sequence starting at 150. A8889

Numbers that are members of unitary σ aliquot cycles (union of unitary perfect, unitary amicable and unitary sociable numbers). A327157

Triangle read by rows: T(n,k) is the number of digraphs on n unlabeled nodes with k arcs and a global source (or sink), n >= 1, k = 0..(n-1)². A350797

Aliquot sequence starting at 168. A8890

a(n) = A273059(4n+1). A275917

Aliquot sequence starting at 570. A74907