Properties of the Number 41440

Forty-One Thousand Four Hundred Forty

Basics

Value: 41439 → 41440 → 41441

Parity: even

Prime: No

Previous Prime: 41413

Next Prime: 41443

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ⁵ × 5 × 7 × 37

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010000111100000

Octal: 120740

Duodecimal: 1BB94

Hexadecimal: a1e0

Square: 1717273600

Square Root: 203.56817039999157

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

Let sigma_m (n) be result of applying sum-of-divisors function m times to n; call n (m,k)-perfect if sigma_m (n) = k·n; sequence gives the (4,k)-perfect numbers. A19293

Number of directed Hamiltonian paths on the n-antiprism graph. A124352

T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to or 1 greater than any north or southwest neighbors modulo n and the upper left element equal to 0. A267655

Number of 3Xn arrays containing n copies of 0..3-1 with no element 1 greater than its north or southwest neighbor modulo 3 and the upper left element equal to 0. A266862

θ series of odd 8-dimensional 5-modular lattice O(5). A29719

Triangle T(n,m) read by rows: the number of series-parallel networks with n+2 vertices and m+n+1 edges. A181320

Alternating sum of 10-gonal (or decagonal) pyramidal numbers. A269441

Numerators of continued fraction convergents to sqrt(236). A41440