Properties of the Number 5666

Five Thousand Six Hundred Sixty-Six

Basics

Value: 5665 → 5666 → 5667

Parity: even

Prime: No

Previous Prime: 5659

Next Prime: 5669

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 2833

Divisors: 1, 2, 2833, 5666

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1011000100010

Octal: 13042

Duodecimal: 3342

Hexadecimal: 1622

Square: 32103556

Square Root: 75.27283706623525

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 which have only digits 5 and 6 in base 10. A256291

Numbers k such that 3^k - 32 is prime. A219049

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

Sum of largest parts (counted with multiplicity) of all partitions of n into odd parts. A92310

Numbers in which 6 outnumbers all other digits together. A292736

Numbers m such that (2m)! - m! + 1 is prime. A237443

n times n+7 gives the concatenation of two numbers m and m+4. A116319

Numbers n such that the smallest prime divisor of n²+1 is 101. A248553

Indices of records in A382173. A382175

a(1) = 1, a(m+1) = 2*∑_{k=1..floor((m+1)/2)} a(k). A39722