Properties of the Number 39889

Thirty-Nine Thousand Eight Hundred Eighty-Nine

Basics

Value: 39888 → 39889 → 39890

Parity: odd

Prime: No

Previous Prime: 39887

Next Prime: 39901

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 113 × 353

Divisors: 1, 113, 353, 39889

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101111010001

Octal: 115721

Duodecimal: 1B101

Hexadecimal: 9bd1

Square: 1591132321

Square Root: 199.7223072167954

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 (4,-3) Somos-4 sequence. A184121

Apocalypse primes: 10⁶⁶⁵+a(n) has 666 decimal digits and is prime. A115983

Regular triangle where T(n,k) is the number of non-isomorphic multiset partitions of k-element multiset partitions of multisets of size n. A330473

Number of triangle-free graphs g on n nodes for which the chromatic number χ(g) equals r(g) = ceiling((δ(g) + 1 + ω(g))/2). A119414

a(n) = a(n-1) - a(n-2) + a(n-3) + a(n-4), with a(1) = a(2) = a(3) = a(4) = 1. A343885

Number of partitions satisfying cn(2,5) < cn(1,5) + cn(4,5) and cn(3,5) < cn(1,5) + cn(4,5). A39889

Molien series for 16-dimensional group of structure 2⁴.O₄⁺(F₂) = 2⁴.(S₃ X S₃).2 and order 1152, corresponding to genus 2 complete weight enumerators of Hermitian self-dual GF(2)-linear codes over GF(4) containing the all-ones vector. A92203