Properties of the Number -81574

Eighty-One Thousand Five Hundred Seventy-Four

Basics

Value: -81575 → -81574 → -81573

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 40787

Divisors: 1, 2, 40787, 81574

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -10011111010100110

Octal: -237246

Duodecimal: -3B25A

Hexadecimal: -13ea6

Square: 6654317476

Square Root: 285.6116244132931

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

Number of 3 X n binary matrices with no zero rows or columns, up to row and column permutation. A55609

Number of n X 3 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,0,4,1,2 for x=0,1,2,3,4. A196141

Number of length n+4 0..2 arrays with no five consecutive terms having the maximum of any two terms equal to the minimum of the remaining three terms. A249838