Properties of the Number 42190

Forty-Two Thousand One Hundred Ninety

Basics

Value: 42189 → 42190 → 42191

Parity: even

Prime: No

Previous Prime: 42187

Next Prime: 42193

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 4219

Divisors: 1, 2, 5, 10, 4219, 8438, 21095, 42190

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1010010011001110

Octal: 122316

Duodecimal: 204BA

Hexadecimal: a4ce

Square: 1779996100

Square Root: 205.40204478047437

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

n+8·C(n,2)+30·C(n,3)+62·C(n,4)+75·C(n,5)+30·C(n,6). A6550

Triangle read by rows: coefficients of a Hermite-like set of recursive polynomials that appear by integration to be orthogonal using the substitution on the Hermite recursion of n->f(n) where f(n)=A000045[n] is the Fibonacci sequence. A137297

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (-1, 1, 1), (0, -1, 0), (1, 1, -1), (1, 1, 0)}. A149354

Numerators of continued fraction convergents to sqrt(620). A42190