Properties of the Number 65047

Sixty-Five Thousand Forty-Seven

Basics

Value: 65046 → 65047 → 65048

Parity: odd

Prime: No

Previous Prime: 65033

Next Prime: 65053

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 29 × 2243

Divisors: 1, 29, 2243, 65047

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1111111000010111

Octal: 177027

Duodecimal: 31787

Hexadecimal: fe17

Square: 4231112209

Square Root: 255.043133606847

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

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero. A317004

n times n+2 gives the concatenation of two numbers m and m-9. A116226

a(n) = n*(8·n² + 1)/3. A143166

Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero. A317000

Number of n X 5 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero. A317001

a(n) = (4·n³ - 6·n² + 20·n + 3)/3. A322597

Primes which when written in base 2 and prepended with a 1 produce a prime. A65047