Properties of the Number 40260

Forty Thousand Two Hundred Sixty

Basics

Value: 40259 → 40260 → 40261

Parity: even

Prime: No

Previous Prime: 40253

Next Prime: 40277

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 11 × 61

Divisors: 1, 2, 3, 4, 5, 6, 10, 11, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110101000100

Octal: 116504

Duodecimal: 1B370

Hexadecimal: 9d44

Square: 1620867600

Square Root: 200.64894716892985

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

a(n) = n·sigma₂(n). A328259

Saint-Exupéry numbers: ordered products of the three sides of Pythagorean triangles. A57096

Ordered products of the sides of primitive Pythagorean triangles. A63011

Numbers k such that ψ(k²) = k, ψ = A002322; indices of 1 in A341857. A341858

Number of binary words of length n with exactly one occurrence of the subword given by the binary expansion of n. A229905

Number of length n arrays x(i), i=1..n with x(i) in 0..i and no value appearing more than 5 times. A248839

Number of nX3 0..1 arrays with every element unequal to 1, 2, 5 or 8 king-move adjacent elements, with upper left element zero. A304297

Number of partitions of n into parts not of the form 23k, 23k+10 or 23k-10. Also number of partitions with at most 9 parts of size 1 and differences between parts at distance 10 are greater than 1. A35998

T(n,k)=Number of length n arrays x(i), i=1..n with x(i) in 0..i and no value appearing more than k times. A248842

Bisection of A260310. A260409