Properties of the Number 38782

Thirty-Eight Thousand Seven Hundred Eighty-Two

Basics

Value: 38781 → 38782 → 38783

Parity: even

Prime: No

Previous Prime: 38767

Next Prime: 38783

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 19391

Divisors: 1, 2, 19391, 38782

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011101111110

Octal: 113576

Duodecimal: 1A53A

Hexadecimal: 977e

Square: 1504043524

Square Root: 196.93146015809663

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

Consider the Diophantine equation x³ + y³ = z³ + 1 (1<x<y<z) or 'Fermat near misses'. Arrange solutions by increasing values of z (see A050791), and increasing values of y in case of ties. Sequence gives values of y. A50793

Number of finite regions in a complete bipartite graph where the n vertices of each part are placed on the vertices, and on opposite sides, of a regular 2n-gon. A392972

Consider the triangle in which the j-th row begins with prime(j) and is the arithmetic progression with least common difference such that the remaining j-1 terms are composite and not divisible by prime(j). Sequence gives last term in each row. A95182

Circulant undirected p²-graphs up to rotations only, indexed by odd primes p. A38782

Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001111. A260367