Properties of the Number 22978

Twenty-Two Thousand Nine Hundred Seventy-Eight

Basics

Value: 22977 → 22978 → 22979

Parity: even

Prime: No

Previous Prime: 22973

Next Prime: 22993

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 11489

Divisors: 1, 2, 11489, 22978

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101100111000010

Octal: 54702

Duodecimal: 1136A

Hexadecimal: 59c2

Square: 527988484

Square Root: 151.58495967608397

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) is the number of 5 element sets of distinct integer-sided trapezoids whose base angles are 60 degrees that fill an equilateral triangular grid of side n units, where one trapezoid has a larger base of n units. A391453

a(n) = 22-n. A22978