Properties of the Number 42192

Forty-Two Thousand One Hundred Ninety-Two

Basics

Value: 42191 → 42192 → 42193

Parity: even

Prime: No

Previous Prime: 42187

Next Prime: 42193

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ² × 293

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010011010000

Octal: 122320

Duodecimal: 20500

Hexadecimal: a4d0

Square: 1780164864

Square Root: 205.40691322348428

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 digital images in Z² with 4-adjacency on n points up to isomorphism. A255539

a(n), n>1, is the smallest number k whose symmetric representation of σ(k) has two parts and has a larger number of legs in its two parts than a(n-1); a(1)=3. A279105

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 841", based on the 5-celled von Neumann neighborhood. A273685

θ series of lattice D3 tensor D3* (dimension 9, det. 262144, min. norm 6). A33694

Numerators of continued fraction convergents to sqrt(621). A42192