Properties of the Number 5665

Five Thousand Six Hundred Sixty-Five

Basics

Value: 5664 → 5665 → 5666

Parity: odd

Prime: No

Previous Prime: 5659

Next Prime: 5669

Digit Sum: 22

Digital Root: 4

Palindrome: Yes

Factorization: 5 × 11 × 103

Divisors: 1, 5, 11, 55, 103, 515, 1133, 5665

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011000100001

Octal: 13041

Duodecimal: 3341

Hexadecimal: 1621

Square: 32092225

Square Root: 75.26619427073486

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

Partial sums of A299259. A299265

Preperiod (or threshold) of orbit of Post's {00, 1101} tag system applied to the word (100)ⁿ, or -1 if this word has an unbounded trajectory. A284119

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

a(n) = n*(n+1)*(3·n²+n-1)/6. A103220

Numbers that are palindromic and divisible by 5. A43040

a(n) is the smallest number of the form k + reverse(k) for exactly n integers k, or -1 if no such number exists. A72041

Multiples of 11 whose digit sum is a multiple of 11. A216995

Palindromes with exactly 3 prime factors (counted with multiplicity). A46329

Palindromes of length greater than 1 in decimal expansion of π (not showing leading 0's). A68046

Rectangular table of coefficients T(k,n) in row functions R(k,x) = ∑_n>=0 T(k,n)*xⁿ that satisfy the condition: ∑_n>=0 xⁿ/(1 - x·R(k,x)^n+k) = ∑_n>=0 xⁿ*R(k,x)ⁿ/(1 - x·R(k,x)^k·n+k-1), for k >= 0, read here by antidiagonals. A340940