Properties of the Number 82217

Eighty-Two Thousand Two Hundred Seventeen

Basics

Value: 82216 → 82217 → 82218

Parity: odd

Prime: Yes

Previous Prime: 82207

Next Prime: 82219

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 82217

Divisors: 1, 82217

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100000100101001

Octal: 240451

Duodecimal: 3B6B5

Hexadecimal: 14129

Square: 6759635089

Square Root: 286.7350693584585

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 the form x² + y² + z, where x, y and z are three successive numbers. A95697

Numbers m such that m = p² + k², with p > 0, where p = A007954(m) = the product of digits of m. A334557

Prime-indexed primes q such that prime(q)-q-1 is a prime indexed prime. A318751

Lowest prime p in a ladder of 4 consecutive primes p, p+2, p+6, p+14. A372247

Primes p such that 10·p-1, 10·p-3, 10·p-7 and 10·p-9 are all prime. A243408

Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1100-0100-0111 pattern in any orientation. A146441

Smallest palindrome beginning with n and digit sum n, or 0 if no such number exists. A82217