Properties of the Number 42786

Forty-Two Thousand Seven Hundred Eighty-Six

Basics

Value: 42785 → 42786 → 42787

Parity: even

Prime: No

Previous Prime: 42773

Next Prime: 42787

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 2377

Divisors: 1, 2, 3, 6, 9, 18, 2377, 4754, 7131, 14262

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011100100010

Octal: 123442

Duodecimal: 20916

Hexadecimal: a722

Square: 1830641796

Square Root: 206.8477701112584

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) = (1/6)*n⁵ - (19/8)*n⁴ + (51/4)*n³ - (253/8)*n² + (445/12)*n - 14. A59999

Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X 2 array. A220147

Numerators of continued fraction convergents to sqrt(924). A42786