Properties of the Number 42352

Forty-Two Thousand Three Hundred Fifty-Two

Basics

Value: 42351 → 42352 → 42353

Parity: even

Prime: No

Previous Prime: 42349

Next Prime: 42359

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 2647

Divisors: 1, 2, 4, 8, 16, 2647, 5294, 10588, 21176, 42352

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010101110000

Octal: 122560

Duodecimal: 20614

Hexadecimal: a570

Square: 1793691904

Square Root: 205.79601551050496

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

Least positive integer k such that prime(k·n)+2 = prime(i·n)*prime(j·n) for some 0 < i < j. A257926

Number of prime pairs below 10ⁿ having a difference of 8. A93739

Number of (n+1) X (3+1) 0..1 arrays with each 2 X 2 subblock having clockwise pattern 0000 0011 or 0101. A259217

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 131", based on the 5-celled von Neumann neighborhood. A270223

a(n) is the largest term encountered on the path to 0 when iterating the map x -> x', and starting from x = A351255(n). Here x' means the arithmetic derivative of x, A003415. A351261

Numerators of continued fraction convergents to sqrt(703). A42352

Perimeters of Heronian triangles whose smallest side length is coprime to their middle side and whose middle side length divides their perimeter. A335150