Properties of the Number 42860

Forty-Two Thousand Eight Hundred Sixty

Basics

Value: 42859 → 42860 → 42861

Parity: even

Prime: No

Previous Prime: 42859

Next Prime: 42863

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 2143

Divisors: 1, 2, 4, 5, 10, 20, 2143, 4286, 8572, 10715

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011101101100

Octal: 123554

Duodecimal: 20978

Hexadecimal: a76c

Square: 1836979600

Square Root: 207.0265683432926

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

a(n) = (-n⁵ + 15·n⁴ - 65·n³ + 125·n² - 34·n + 40)/40. A161713

T(n,k)=Number of n-step one space at a time bishop's tours on a kXk board summed over all starting positions. A187155

Numerators of continued fraction convergents to sqrt(962). A42860

Number of 8-step one space at a time bishop's tours on an n X n board summed over all starting positions. A187161

Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the lower median minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A238058