Properties of the Number 63894

Sixty-Three Thousand Eight Hundred Ninety-Four

Basics

Value: 63893 → 63894 → 63895

Parity: even

Prime: No

Previous Prime: 63863

Next Prime: 63901

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 23 × 463

Divisors: 1, 2, 3, 6, 23, 46, 69, 138, 463, 926

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: 1111100110010110

Octal: 174626

Duodecimal: 30B86

Hexadecimal: f996

Square: 4082443236

Square Root: 252.77262510010848

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 n such that exp(n) has a smaller relative error abs(exp(n)/m!-1) in approximating the closest factorial m!>1 than exp(k) for any k with 1<k<n. A101507

Start with x, y; then concatenate each word in turn with all preceding words, getting·y xy xxy yxy xxxy yxxy xyxxy ...; sequence gives number of words of length n. Also binary trees by degree: x y (x,y) (x,(x,y)) (y,(x,y)) (x,(x,(x,y))) (y,(x,(x,y))) ((x,y),(x,(x,y)))... A63894