Properties of the Number 65551

Sixty-Five Thousand Five Hundred Fifty-One

Basics

Value: 65550 → 65551 → 65552

Parity: odd

Prime: Yes

Previous Prime: 65543

Next Prime: 65557

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 65551

Divisors: 1, 65551

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000000001111

Octal: 200017

Duodecimal: 31B27

Hexadecimal: 1000f

Square: 4296933601

Square Root: 256.0292951988112

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) = 2ⁿ + n - 1. A52944

Primes of the form 4^k + 4^m - 1, where k and m are positive integers. A234310

Primes of the form m = 2ⁱ + 2^j - 1, where i > j >= 0. A239712

a(n) = smallest number that leads to a new cycle under the base-4 Kaprekar map of A165012. A165029

Primes arising in A064205. A55813

Primes having only {1, 5, 6} as digits. A385779

Primes of the form 2^k + 15. A144487

Primes of the form 2^{2^k}+15. A160027

Define F(n) = 2^2ⁿ+1 = n-th Fermat number, M(n) = 2ⁿ-1 = the n-th Mersenne number. Then a(n) = F(n)+M(n)-1 = 2^2ⁿ + 2ⁿ - 1. A119563

Primes containing the string 555. A167281