Properties of the Number 97218

Ninety-Seven Thousand Two Hundred Eighteen

Basics

Value: 97217 → 97218 → 97219

Parity: even

Prime: No

Previous Prime: 97213

Next Prime: 97231

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 11 × 491

Divisors: 1, 2, 3, 6, 9, 11, 18, 22, 33, 66

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111101111000010

Octal: 275702

Duodecimal: 48316

Hexadecimal: 17bc2

Square: 9451339524

Square Root: 311.7980115395222

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

Numbers that are the concatenation of the digit-wise multiplication of k·m, with 1 < m < k, keeping the leading digits of k when m has fewer digits. A392040

Diagonal sum of right-justified array T given by A027023. A27038

Triangle T(n,k) read by rows, defined by T(n,k) = (n-k)*T(n-1,k)+Sum(k=1..n, T(n-1,k)); T(1,1) = 1, T(1,k)= 0 if k >1. A89225

Numbers n such that A076078(n) < n, where A076078(n) equals the number of sets of distinct positive integers with a least common multiple of n. A97218

Numbers k such that the counts of 0's, 1's and 2's are the same in the ternary expansion of 2^k. A117306