Properties of the Number 6600

Six Thousand Six Hundred

Basics

Value: 6599 → 6600 → 6601

Parity: even

Prime: No

Previous Prime: 6599

Next Prime: 6607

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 5 ² × 11

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100111001000

Octal: 14710

Duodecimal: 39A0

Hexadecimal: 19c8

Square: 43560000

Square Root: 81.24038404635961

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 compositions (ordered partitions) of n that are concave-down sequences. A70211

Numbers whose unsorted prime signature is not unimodal. A332282

Numbers that can be expressed as the difference of the squares of primes in exactly four distinct ways. A92000

Regular tetrangle where T(n,k,i) is the number of pairs of set partitions of {1,...,n} with meet of length k and join of length i. A318393

a(n) = denominator of Bernoulli(2n)/(2n). A6953

a(n) = Product{k>=0} (1 + floor(n/3^k)). A132327

Numbers k such that k and k + 1 are both Niven numbers in base 3/2 (A342426). A342427

Numbers whose set of base-10 digits is {0,6}. A204093

Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=7. A135192

Four times second pentagonal numbers: a(n) = 2·n*(3·n+1). A33580