Properties of the Number 40788

Forty Thousand Seven Hundred Eighty-Eight

Basics

Value: 40787 → 40788 → 40789

Parity: even

Prime: No

Previous Prime: 40787

Next Prime: 40801

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 11 × 103

Divisors: 1, 2, 3, 4, 6, 9, 11, 12, 18, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111101010100

Octal: 117524

Duodecimal: 1B730

Hexadecimal: 9f54

Square: 1663660944

Square Root: 201.96039215648202

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 of integer partitions of n whose minima of maximal anti-runs are not all different. A375404

Triangle read by rows: T(n,k) is the number of nonseparable tree-rooted planar maps with n edges and k faces, n >= 0, k = 1..n+1. A342984

Number of nonseparable tree-rooted planar maps with n + 3 edges and 4 vertices. A6412

a(n) = ∑_{k <= n/2} k·binomial(n-2k, 3k). A137359

a(n) is the sum of the smallest parts of all partitions of n that do not contain 1 as a part. A182708

Sum of the even-indexed parts of all partitions of n. A207382

Coordination sequence for 6-dimensional cyclotomic lattice Z[zeta₉]. A126899

Continued fraction for sqrt(817). A40788