Properties of the Number 65287

Sixty-Five Thousand Two Hundred Eighty-Seven

Basics

Value: 65286 → 65287 → 65288

Parity: odd

Prime: Yes

Previous Prime: 65269

Next Prime: 65293

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 65287

Divisors: 1, 65287

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111111100000111

Octal: 177407

Duodecimal: 31947

Hexadecimal: ff07

Square: 4262392369

Square Root: 255.5132090519001

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

Number of different configurations of an n-block of a shift space with k symbols where each symbol but the first must appear isolated and separated from others by a block of length at least m made of first symbols. Here k=19 and m=2. A131600

Numbers n such that A005210(n) = 0. A51202

Primes p such that sum of squares of even-position digits equals the sum of squares of odd-position digits of p. A76168

Primes of the form k⁴ - k² + 7. A267378

Least primitive weird number with n prime divisors, counting multiplicity. A258375

Infinite binary tree inspired permutation of N: 1 -> 3, 11ab..yz -> 11ab..yz1, 10ab..y0 -> 10ab..y, 10ab..y1 -> 11ab..y0. A65287