Properties of the Number 83660

Eighty-Three Thousand Six Hundred Sixty

Basics

Value: 83659 → 83660 → 83661

Parity: even

Prime: No

Previous Prime: 83653

Next Prime: 83663

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 47 × 89

Divisors: 1, 2, 4, 5, 10, 20, 47, 89, 94, 178

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100011011001100

Octal: 243314

Duodecimal: 404B8

Hexadecimal: 146cc

Square: 6998995600

Square Root: 289.2403844555597

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

a(n) is the total number of runs of descents over all flattened Catalan words of length n. A372874

a(n)/2ⁿ is the expected length of the longest palindromic subsequence of a length-n binary string. A320910

Smallest nonnegative integer m such that the concatenation of the integers from n to 1 interspersed with those of m, in base 10, is prime. A83660