Properties of the Number 40286

Forty Thousand Two Hundred Eighty-Six

Basics

Value: 40285 → 40286 → 40287

Parity: even

Prime: No

Previous Prime: 40283

Next Prime: 40289

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 20143

Divisors: 1, 2, 20143, 40286

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110101011110

Octal: 116536

Duodecimal: 1B392

Hexadecimal: 9d5e

Square: 1622961796

Square Root: 200.71372648625703

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

Numerators of continued fraction convergents to fifth root of 2. A2362

Number of 6-element families of an n-element set such that every 3 members of the family have a nonempty intersection. A51363

Lexicographically earliest sequence S of integers with property that if a vertical line is drawn between any pair of adjacent digits p and q, say, the number Z formed by the p digits to the left of the line is divisible by p. A244496

Continued fraction for sqrt(304). A40286

Number of 3Xn 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero. A278016