Properties of the Number 86381

Eighty-Six Thousand Three Hundred Eighty-One

Basics

Value: 86380 → 86381 → 86382

Parity: odd

Prime: Yes

Previous Prime: 86371

Next Prime: 86389

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 86381

Divisors: 1, 86381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10101000101101101

Octal: 250555

Duodecimal: 41BA5

Hexadecimal: 1516d

Square: 7461677161

Square Root: 293.90644770062465

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 k such that p=k²+2 and p+2 are primes. A86381

T(n,k)=Number of length n+k+2 0..k arrays with every value 0..k appearing at least once in every consecutive k+3 elements, and new values 0..k introduced in order. A242322