Properties of the Number 38931

Thirty-Eight Thousand Nine Hundred Thirty-One

Basics

Value: 38930 → 38931 → 38932

Parity: odd

Prime: No

Previous Prime: 38923

Next Prime: 38933

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 19 × 683

Divisors: 1, 3, 19, 57, 683, 2049, 12977, 38931

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001100000010011

Octal: 114023

Duodecimal: 1A643

Hexadecimal: 9813

Square: 1515622761

Square Root: 197.30940170199696

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

Expansion of 1/((1+x)*(1-x)⁵). A1752

a(n) = n*(n + 1)*(2·n² + 2·n - 1)/6. A6324

Beginning with 3, least number such that concatenation of first n terms and its digit reversal both are primes. A111382

Number of nonequivalent ways to place k>=0 points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line. A279454

Binomial transform of A079260. A143980

Number of stable n-celled patterns ("still lifes") in Conway's Game of Life, up to rotation and reflection. A19473

Number of n-celled pseudo still lifes in Conway's Game of Life, up to rotation and reflection. A56613

Primes p such that 53 is a square mod p. A38931

Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254770