Properties of the Number 6623

Six Thousand Six Hundred Twenty-Three

Basics

Value: 6622 → 6623 → 6624

Parity: odd

Prime: No

Previous Prime: 6619

Next Prime: 6637

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 37 × 179

Divisors: 1, 37, 179, 6623

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100111011111

Octal: 14737

Duodecimal: 39BB

Hexadecimal: 19df

Square: 43864129

Square Root: 81.38181615078395

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

Centered heptagonal numbers. A69099

Partial sums of A299289. A299290

Number of integer partitions of n whose negated run-lengths are not unimodal. A332639

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..3 introduced in row major order. A239155

Divide natural numbers in groups with prime(n) elements and add together. A34956

Number of isomorphism classes of nanocones with 3 pentagons and a symmetric boundary of length n. A197988

Discriminants of imaginary quadratic fields with class number 42 (negated). A351680

Number of integer partitions of n whose weighted sum is not divisible by n. A362560

Record numbers of factorizations into distinct factors > 1. A331232

Numbers n such that the digits of σ(n) are exactly the same (albeit in different order) as the digits of φ(n), in base 10. A175795