Properties of the Number 42895

Forty-Two Thousand Eight Hundred Ninety-Five

Basics

Value: 42894 → 42895 → 42896

Parity: odd

Prime: No

Previous Prime: 42863

Next Prime: 42899

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 23 × 373

Divisors: 1, 5, 23, 115, 373, 1865, 8579, 42895

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011110001111

Octal: 123617

Duodecimal: 209A7

Hexadecimal: a78f

Square: 1839981025

Square Root: 207.11108130662637

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(n) = 81·n² + 2·n. A177099

a(n) = A273059(4n+1). A275917

Least term in period of continued fraction for sqrt(n) is 9. A31433

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 0), (-1, 0, 1), (1, 0, 1), (1, 1, -1)}. A149296

G.f. A(x) satisfies [x^2·n] A(x)^3·n = 3 and [x^2·n+1] A(x)^3·n+1 = [x^2·n+1] A(x)^3·n+2 for n >= 1. A377095

Denominators of continued fraction convergents to sqrt(979). A42895