Properties of the Number 42819

Forty-Two Thousand Eight Hundred Nineteen

Basics

Value: 42818 → 42819 → 42820

Parity: odd

Prime: No

Previous Prime: 42797

Next Prime: 42821

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 2039

Divisors: 1, 3, 7, 21, 2039, 6117, 14273, 42819

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1010011101000011

Octal: 123503

Duodecimal: 20943

Hexadecimal: a743

Square: 1833466761

Square Root: 206.92752354387272

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

Numbers k such that σ(k) = σ(k-1). A231546

a(n) = T(n,n-6), array T as in A055807. A55811

Table of consecutive numbers with the same sum of divisors. A225757

Runs of consecutive numbers with the same number and sum of divisors. A225758

Numbers k that divide σ(k) - σ(k-1). A227307

Denominators of continued fraction convergents to sqrt(940). A42819