Properties of the Number 81327

Eighty-One Thousand Three Hundred Twenty-Seven

Basics

Value: 81326 → 81327 → 81328

Parity: odd

Prime: No

Previous Prime: 81307

Next Prime: 81331

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 27109

Divisors: 1, 3, 27109, 81327

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10011110110101111

Octal: 236657

Duodecimal: 3B093

Hexadecimal: 13daf

Square: 6614080929

Square Root: 285.1788912244383

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

Triangle, read by rows, T(n,k) = t(n-k, k) where t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), and f(x) = x + 3. A257180

Number of primes in A256237 less than 10ⁿ. A256238

Smallest 3-smooth number m such that n-m is also 3-smooth, a(n)=0 if no such 3-smooth number exists. A81327