Properties of the Number 65045

Sixty-Five Thousand Forty-Five

Basics

Value: 65044 → 65045 → 65046

Parity: odd

Prime: No

Previous Prime: 65033

Next Prime: 65053

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 13009

Divisors: 1, 5, 13009, 65045

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111111000010101

Octal: 177025

Duodecimal: 31785

Hexadecimal: fe15

Square: 4230852025

Square Root: 255.03921267130667

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) = 6·binomial(n,4) + 5·binomial(n,2) - 4·n + 5. A66455

Number of n X 5 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,1) and new values introduced in order 0..2. A275398

Number of 6Xn 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,1) and new values introduced in order 0..2. A275405

T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,1) and new values introduced in order 0..2. A275401

Continued fraction expansion of the constant ∏_k>=0 (1 + 1/2^2k)^1/2 (A065445). A65045