Properties of the Number -85005

Eighty-Five Thousand Five

Basics

Value: -85006 → -85005 → -85004

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 1889

Divisors: 1, 3, 5, 9, 15, 45, 1889, 5667, 9445, 17001

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100110000001101

Octal: -246015

Duodecimal: -41239

Hexadecimal: -14c0d

Square: 7225850025

Square Root: 291.556169545424

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

T(n,k)=Number of nXk 0..7 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A201101

Numbers k such that k and k² use only the digits 0, 2, 5, 7 and 8. A136916

Number of nX3 0..7 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A201096

Numbers k such that 3⁸*2^k - 1 is prime. A212311

Number of nX6 0..7 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A201099