Properties of the Number 40319

Forty Thousand Three Hundred Nineteen

Basics

Value: 40318 → 40319 → 40320

Parity: odd

Prime: No

Previous Prime: 40289

Next Prime: 40343

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 23 × 1753

Divisors: 1, 23, 1753, 40319

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1001110101111111

Octal: 116577

Duodecimal: 1B3BB

Hexadecimal: 9d7f

Square: 1625621761

Square Root: 200.7959162931358

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! - 1. A33312

Number A(n,k) of sequences with k copies each of 1,2,...,n avoiding the pattern 12...n; square array A(n,k), n>=0, k>=0, read by antidiagonals. A269129

Number of permutations T(n,k) in S_n containing an increasing subsequence of length k; triangle T(n,k), n>=1, 1<=k<=n, read by rows. A214152

a(n) = (n! - 9)/9. A139184

Number of permutations of [n] avoiding adjacent step pattern {up}⁷. A230051

Positions of non-crossing fixed-point-free involutions (encoded by A014486) in A055089, sorted to ascending order. A64640

Smallest number requiring n terms to be expressed as a sum of factorials. A200748

Lexicographically earliest sequence of positive integers with the property that a(a(n)) = a(1)+a(2)+...+a(n). A105753

Triangle read by rows: number of permutation trees of power n and height <= k + 1. A179455

Triangle of numbers T(n,k) = number of permutations of n things with longest increasing subsequence of length <=k (1<=k<=n). A47887