Properties of the Number 65213

Sixty-Five Thousand Two Hundred Thirteen

Basics

Value: 65212 → 65213 → 65214

Parity: odd

Prime: Yes

Previous Prime: 65203

Next Prime: 65239

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 65213

Divisors: 1, 65213

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111111010111101

Octal: 177275

Duodecimal: 318A5

Hexadecimal: febd

Square: 4252735369

Square Root: 255.36836139193124

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

Primes from merging of 5 successive digits in decimal expansion of π. A104825

Primes p such that p+-2 and p+-4 are semiprimes. A266845

Centered heptagonal prime numbers. A144974

Numbers which need eight 'Reverse and Add' steps to reach a palindrome. A65213

Number of ways to write n as x² + y² + z² + w² with x,y,z,w nonnegative integers such that both·and x + y - z are powers of two (including 2⁰ = 1). A281945