Properties of the Number 42319

Forty-Two Thousand Three Hundred Nineteen

Basics

Value: 42318 → 42319 → 42320

Parity: odd

Prime: No

Previous Prime: 42307

Next Prime: 42323

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 101 × 419

Divisors: 1, 101, 419, 42319

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010101001111

Octal: 122517

Duodecimal: 205A7

Hexadecimal: a54f

Square: 1790897761

Square Root: 205.71582340695136

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) = 80·n² - 1. A158774

Number of ordered triples (w,x,y) with all terms in {-n,...,-1,1,...,n} and w+3x+3y>0. A211625

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 21 ones. A31789

Denominators of continued fraction convergents to sqrt(686). A42319