Properties of the Number 10668

Ten Thousand Six Hundred Sixty-Eight

Basics

Value: 10667 → 10668 → 10669

Parity: even

Prime: No

Previous Prime: 10667

Next Prime: 10687

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 7 × 127

Divisors: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10100110101100

Octal: 24654

Duodecimal: 6210

Hexadecimal: 29ac

Square: 113806224

Square Root: 103.28601066940286

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

Numbers n such that the Reverse and Add! trajectory of n (presumably) does not reach a palindrome and does not join the trajectory of any term m < n. A63048

Numbers k such that k² divides 5^k-1. A127105

Number of distinct ways to cut an n X n square into squares with integer sides. A45846

Record gaps between twin primes. A113274

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

Poincaré series for invariant polynomial functions on the space of binary forms of degree 13. A293938

Number of unlabeled rooted trees with n nodes in which the non-leaf branches directly under any given node are all equal. A320222

Number of tilings of a 6 X n rectangle using integer-sided square tiles. A219925

Numbers k such that the Reverse and Add! trajectory of k (presumably) does not reach a palindrome (with the exception of k itself) and does not join the trajectory of any term m < k. A88753

a(n) = n*(14·n - 11). A195021