Properties of the Number 65616

Sixty-Five Thousand Six Hundred Sixteen

Basics

Value: 65615 → 65616 → 65617

Parity: even

Prime: No

Previous Prime: 65609

Next Prime: 65617

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ⁴ × 3 × 1367

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000001010000

Octal: 200120

Duodecimal: 31B80

Hexadecimal: 10050

Square: 4305459456

Square Root: 256.15620234536584

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

The positions i where A163355(i) = i, that is, the fixed points of permutation A163355. A163901

Number of asymmetric rooted Greg trees. A52301

a(n) = 5·n + 2ⁿ. A297663

a(n) = ∑_k=0..n (-1)^k * binomial(3·n+3·k+1,n-k). A390545

Number of series-reduced planted trees with n leaves of 2 colors and no symmetries. A31148

a(n) = ∑_i=0..n T(i,n-i), array T as in A049735. A49736

If n = Sum 2^e(k), then a(n) = Sum 2^a(e(k)), with a(0) = 1. A381957

a(n) = floor(log₂(n)*2ⁿ/n). A65616