Properties of the Number 83221

Eighty-Three Thousand Two Hundred Twenty-One

Basics

Value: 83220 → 83221 → 83222

Parity: odd

Prime: Yes

Previous Prime: 83219

Next Prime: 83227

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 83221

Divisors: 1, 83221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10100010100010101

Octal: 242425

Duodecimal: 401B1

Hexadecimal: 14515

Square: 6925734841

Square Root: 288.4805019407724

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 whose base-4 representation also is the base 2-representation of a prime. A235461

Sums of the form (twin primes + 1) which are also an upper twin prime. A158870

Primes p such that p+12, (p+1)/2, and (p+13)/2 are also prime. A283869

Primes that can be generated by the concatenation in base 9, in ascending order, of two consecutive integers read in base 10. A287312

Sieve of Eratosthenes arranged as an array and read by antidiagonals as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), ... A83221