Properties of the Number 8668

Eight Thousand Six Hundred Sixty-Eight

Basics

Value: 8667 → 8668 → 8669

Parity: even

Prime: No

Previous Prime: 8663

Next Prime: 8669

Digit Sum: 28

Digital Root: 1

Palindrome: Yes

Factorization: 2 ² × 11 × 197

Divisors: 1, 2, 4, 11, 22, 44, 197, 394, 788, 2167

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000111011100

Octal: 20734

Duodecimal: 5024

Hexadecimal: 21dc

Square: 75134224

Square Root: 93.10209449845905

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 integer partitions of n without all distinct multiplicities. A336866

Palindromic and divisible by 4. A45639

Cluster series for bond percolation problem on square lattice. A3198

The 60-degree spoke (or ray) of a hexagonal spiral of Ulam. A244802

Palindromes with exactly 4 prime factors (counted with multiplicity). A46330

Product of a prime number p and the number of primes smaller than p. A117495

Triangle T(n,k), 0<=k<=n, read by rows, given by (0, 1, 1, 3, 3, 6, 6, 10, 10, 15, ...) δ (1, 0, 2, 0, 3, 0, 4, 0, 5, ...) where δ is the operator defined in A084938. A211183

Palindromes n such that n and n² have same digit sum. A58852

a(n) = binomial(n+5,6) + binomial(n+3,3) + binomial(n+2,3) + binomial(n-1,1). A105450

Number of 2 X 2 matrices having all elements in {-n,...n} and determinant 2. A209984