Properties of the Number 38991

Thirty-Eight Thousand Nine Hundred Ninety-One

Basics

Value: 38990 → 38991 → 38992

Parity: odd

Prime: No

Previous Prime: 38977

Next Prime: 38993

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 41 × 317

Divisors: 1, 3, 41, 123, 317, 951, 12997, 38991

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001100001001111

Octal: 114117

Duodecimal: 1A693

Hexadecimal: 984f

Square: 1520298081

Square Root: 197.4613886307903

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

The 10ⁿ-th 3-almost prime. A120044

Length of n-th iterate of the mapping 00->0010, 01->010, 10->000, starting with 00. A289019

The hyper-Wiener index of a benzenoid consisting of a straight-line chain of n hexagons (s=2; see the Gutman et al. reference). A193390

Number of sublattices of index n in generic 4-dimensional lattice. A38991