Properties of the Number 42432

Forty-Two Thousand Four Hundred Thirty-Two

Basics

Value: 42431 → 42432 → 42433

Parity: even

Prime: No

Previous Prime: 42409

Next Prime: 42433

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ⁶ × 3 × 13 × 17

Divisors: 1, 2, 3, 4, 6, 8, 12, 13, 16, 17

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010010111000000

Octal: 122700

Duodecimal: 20680

Hexadecimal: a5c0

Square: 1800474624

Square Root: 205.99029103333973

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 that have exactly nine prime factors counted with multiplicity (A046312) whose digit reversal is different and also has 9 prime factors (with multiplicity). A109029

The Geode Bi-Tri infinite rectangular array, read by upward antidiagonals. A383453

Numbers with prime factorization pqrs⁶. A190292

Triangle read by rows: the x = 1+q Narayana triangle at m=2. A243660

Primitive terms of A388036. A388037

Number of elements in the coprime subsets of the integers 1 to n. A87080

Conjectured lower bound for the number of spheres of radius 1 that can be packed in a sphere of radius n. A121346

Number of base 22 n-digit numbers with adjacent digits differing by one or less. A126376

Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y<=3z. A212509

a(n) = ∑_{k=0..floor(n/2)} k! * 2^k * (n - 2·k)!. A309618