Properties of the Number 22940

Twenty-Two Thousand Nine Hundred Forty

Basics

Value: 22939 → 22940 → 22941

Parity: even

Prime: No

Previous Prime: 22937

Next Prime: 22943

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 31 × 37

Divisors: 1, 2, 4, 5, 10, 20, 31, 37, 62, 74

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101100110011100

Octal: 54634

Duodecimal: 11338

Hexadecimal: 599c

Square: 526243600

Square Root: 151.45956556124145

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

Heptagonal (or 7-gonal) pyramidal numbers: a(n) = n*(n+1)*(5·n-2)/6. A2413

Largest possible z-value of an integer solution (x,y,z) to 4/n = 1/x + 1/y + 1/z satisfying 0 < x < y < z. The·and y components are in A075245 and A075246. A75247

Number of widely totally normal compositions of n. A332279

a(n) = p(n)*p(n+2) - 3·p(n+1), where p(n) is the n-th prime. A152528

a(n) = ∑_k=0..7 (n + k)². A276026

z-value of the lexicographically first solution (x,y,z) of 4/n = 1/x + 1/y + 1/z with 0 < x < y < z all integers, or 0 if there is no such solution. Corresponding·and y values are in A257839 and A257840. A257841

G.f.: ∑_n>=0 (n+1)*(n+2)*(n+3)/3! * xⁿ * (1 + xⁿ)ⁿ. A326004

a(n) = [xⁿ] ∏_d∣n (1 + x^d)/(1 - x^d). A300549

Number of minimal total dominating sets in the n-triangular honeycomb obtuse knight graph. A304559

Number of n X 4 binary arrays without the pattern 0 1 diagonally or vertically. A188838