Properties of the Number 10666

Ten Thousand Six Hundred Sixty-Six

Basics

Value: 10665 → 10666 → 10667

Parity: even

Prime: No

Previous Prime: 10663

Next Prime: 10667

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5333

Divisors: 1, 2, 5333, 10666

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 10100110101010

Octal: 24652

Duodecimal: 620A

Hexadecimal: 29aa

Square: 113763556

Square Root: 103.27632836231156

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

Beastly (or hateful) numbers: numbers containing the string 666 in their decimal expansion. A51003

Positions of 2's in A264977; positions of 3's in A277330. A277712

a(n) = (binomial(2n, n) - 2) mod n³. A246133

a(n) = n⁵ - (65/6)*n⁴ + (173/6)*n³ + (148/3)*n² - (862/3)*n + 265. A28294

Increasing gaps among twin primes: size. A36063

Triangle read by rows: T(n,k) is the number of stacks of n pancakes requiring k = 0, ..., A058986(n) flips to sort. A92113

Numbers having three 6's in base 10. A43515

a(n+1) = a(n)-th composite and a(1) = 13. A59408

G.f.: A(x) = x/Series_Reversion[x·G(x)] where A(x·G(x)) = G(x) = g.f. of A277041. A277042

Number of partitions of n not containing the number of distinct parts as a part. A239946