Properties of the Number 42430

Forty-Two Thousand Four Hundred Thirty

Basics

Value: 42429 → 42430 → 42431

Parity: even

Prime: No

Previous Prime: 42409

Next Prime: 42433

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 4243

Divisors: 1, 2, 5, 10, 4243, 8486, 21215, 42430

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010010110111110

Octal: 122676

Duodecimal: 2067A

Hexadecimal: a5be

Square: 1800304900

Square Root: 205.9854363784003

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 ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+5x+5y>0. A211627

a(n) = ∑_k=1..n k·sigma₃(k). A356126

Number of 5-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero with no three beads in a row equal. A209346

Number of ways to place 5 nonattacking knights on an n X n board. A172136

Numerators of continued fraction convergents to sqrt(743). A42430