Properties of the Number 63945

Sixty-Three Thousand Nine Hundred Forty-Five

Basics

Value: 63944 → 63945 → 63946

Parity: odd

Prime: No

Previous Prime: 63929

Next Prime: 63949

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 7 ² × 29

Divisors: 1, 3, 5, 7, 9, 15, 21, 29, 35, 45

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 1111100111001001

Octal: 174711

Duodecimal: 31009

Hexadecimal: f9c9

Square: 4088963025

Square Root: 252.87348615463821

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

Integers that are Rhonda numbers to base 14. A100972

Number of compositions of n with all adjacent parts (x, y) satisfying x >= 2y or y >= 2x. A342333

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the lower median minus the minimum of every 2X2 subblock. A236610

Number of tilings of an equilateral triangle of side length n with unit triangles (of side length 1) and exactly two unit "lozenges" or "diamonds" (also of side length 1). A326367

Numbers that are divisible by the squares of two distinct primes and whose arithmetic derivative (A003415) is a squarefree number of the form 4k+2. A368697

Denominators of continued fraction convergents to sqrt(592). A42135

Rows sums of triangle A152072. A152074

Numbers k such that φ(k) and cototient(k) are squares but k is not in A054755. A54756

The smallest k that is a Rhonda number in exactly n bases. A217986

Number of (n+1) X (1+1) 0..2 arrays colored with the maximum plus the lower median minus the minimum of every 2 X 2 subblock. A236604