Properties of the Number 13217

Thirteen Thousand Two Hundred Seventeen

Basics

Value: 13216 → 13217 → 13218

Parity: odd

Prime: Yes

Previous Prime: 13187

Next Prime: 13219

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 13217

Divisors: 1, 13217

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11001110100001

Octal: 31641

Duodecimal: 7795

Hexadecimal: 33a1

Square: 174689089

Square Root: 114.96521212958292

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 of form n² + 2401. A256835

Irregular primes with irregularity index three. A60975

Lesser of twin primes whose average is 6 times a prime. A60213

Primes p such that x⁵⁹ = 2 has no solution mod p. A59312

Primes congruent to 1 mod 59. A216315

"Secondary twin primes": a(n) = A006450(A096477(n)). A96479

Smallest lesser of twin primes (A001359) with index n, or a(n)=0, if there are no such twin primes. A242807

Primes of the form k² - 8. A28886

Primes congruent to 8 mod 37. A142117

Expansion of ∏_k>=2 (1 + x^k)^k. A298598