Properties of the Number 42320

Forty-Two Thousand Three Hundred Twenty

Basics

Value: 42319 → 42320 → 42321

Parity: even

Prime: No

Previous Prime: 42307

Next Prime: 42323

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 5 × 23 ²

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 23, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010101010000

Octal: 122520

Duodecimal: 205A8

Hexadecimal: a550

Square: 1790982400

Square Root: 205.71825392998065

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

Number of subsets of {2..n} containing all of their integer quotients > 1. A326078

Base-10 version of A038103 interpreted as base 3. A350573

Numbers that are values of the totient function (A002202) but not of the reduced totient function (A002174). A270265

Odd abundant numbers not divisible by 3. A115414

Numerators of continued fraction convergents to sqrt(687). A42320

Number of nX4 0..1 arrays with every element unequal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero. A305093