Properties of the Number 622

Six Hundred Twenty-Two

Basics

Value: 621 → 622 → 623

Parity: even

Prime: No

Previous Prime: 619

Next Prime: 631

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 311

Divisors: 1, 2, 311, 622

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101110

Octal: 1156

Duodecimal: 43A

Hexadecimal: 26e

Square: 386884

Square Root: 24.939927826679853

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 flat partitions of n: partitions {a_i} with each |a_i - a_i-1| <= 1. A34296

Fine's sequence (or Fine numbers): number of relations of valence >= 1 on an n-set; also number of ordered rooted trees with n nodes having root of even degree. A957

Number of strict integer partitions of n with integer median. A359907

Number of partitions of n such that no part is a sum of two or more other parts. A237667

Numbers whose sum of digits is 10. A52224

Coordination sequence for "svh" 3D uniform tiling. A299283

Schur's 1926 partition theorem: number of partitions of n into parts 6n+1 or 6n-1. A3105

Matula-Goebel numbers of lone-child-avoiding rooted trees. A291636

Expansion of (1+x)/(1-x-4·x²). A26597

Numbers m such that the Bernoulli number B_2·m has denominator 30. A51225