Properties of the Number 83381

Eighty-Three Thousand Three Hundred Eighty-One

Basics

Value: 83380 → 83381 → 83382

Parity: odd

Prime: No

Previous Prime: 83357

Next Prime: 83383

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 199 × 419

Divisors: 1, 199, 419, 83381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10100010110110101

Octal: 242665

Duodecimal: 40305

Hexadecimal: 145b5

Square: 6952391161

Square Root: 288.75768388044673

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 7^k + 12 is prime. A152213

Indices of centered 11-gonal numbers (A060544) that are also 11-gonal numbers (A051682). A280072

Strong pseudoprimes to base 85. A20311

Odd k for which abs(2^m - k) is nonprime for all m < k. A263865

Square array giving the number of trellis edges T(i,j) (i >= 0, j >= 0), read by antidiagonals. A83381