Properties of the Number 93217

Ninety-Three Thousand Two Hundred Seventeen

Basics

Value: 93216 → 93217 → 93218

Parity: odd

Prime: No

Previous Prime: 93199

Next Prime: 93229

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 31 ² × 97

Divisors: 1, 31, 97, 961, 3007, 93217

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110110000100001

Octal: 266041

Duodecimal: 45B41

Hexadecimal: 16c21

Square: 8689409089

Square Root: 305.3145918556792

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

Composites that use the same digits as their prime factorization. A25283

Numerator of ∑_k=1..n 1/φ(k). A28415

4*(n + 7)³ - 27*(n + 7)² = (4·n +1)*(n+7)². A245033

a(n) = 4·prime(n)³ - 27·prime(n)² = (prime(n)²)*[4·prime(n) - 27], n >= 4. A245036

a(n) = 97·n². A174338

Numbers k such that (86·10^k - 221)/9 is prime. A288823

a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 17. A93217