Properties of the Number -83381

Eighty-Three Thousand Three Hundred Eighty-One

Basics

Value: -83382 → -83381 → -83380

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

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

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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