Properties of the Number 42038

Forty-Two Thousand Thirty-Eight

Basics

Value: 42037 → 42038 → 42039

Parity: even

Prime: No

Previous Prime: 42023

Next Prime: 42043

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 21019

Divisors: 1, 2, 21019, 42038

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010010000110110

Octal: 122066

Duodecimal: 203B2

Hexadecimal: a436

Square: 1767193444

Square Root: 205.03170486536953

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

Floor-Sqrt transform of Catalan numbers (A000108). A186546

a(1) = a(2) = 1. For n >= 3, a(n) = 1 + A114600(n-2)*A114600(n-1). A114599

Numbers n such that the trinomial xⁿ-x-1 is irreducible over GF(3). A223938

a(n) = (1/5ⁿ) * ∑_k=0..n² ( (binomial(n², k) * 2^n²-k * 3^k) (mod 5ⁿ) ). A376535

Numerators of continued fraction convergents to sqrt(543). A42038