Properties of the Number 40480

Forty Thousand Four Hundred Eighty

Basics

Value: 40479 → 40480 → 40481

Parity: even

Prime: No

Previous Prime: 40471

Next Prime: 40483

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁵ × 5 × 11 × 23

Divisors: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111000100000

Octal: 117040

Duodecimal: 1B514

Hexadecimal: 9e20

Square: 1638630400

Square Root: 201.19642143934865

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 A(n,k) of standard Young tableaux of shape [n·k,n]; square array A(n,k), n>=0, k>=0, read by antidiagonals. A214776

Number of integer compositions of n whose leaders of maximal anti-runs are not identical. A374640

a(n) is the number of Dyck paths of semilength n+6 having its first peak at height n+1. A5557

Denominator of mass (Sum 1/|Aut(H)|) of Hadamard matrices of order 4n. A48616

Number of days after Jan 01 1000 such that the date written in the format DDMMYYYY is palindromic. A210885

Completely multiplicative with a(p) = p·a(p-1) for any prime number p. A309243

a(n) = binomial(5·n,n)*(3·n+1)/(4·n+1). A215541

Number of standard Young tableaux of shape [5n,5]. A215545

Steffensen's bracket function [n,n-3]. A241170

a(1) = 1; thereafter a(n) is the product of all 0 < m < n for which n == a(m) (mod m). A271530