Properties of the Number -186966

One Hundred Eighty-Six Thousand Nine Hundred Sixty-Six

Basics

Value: -186967 → -186966 → -186965

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 13 × 17 × 47

Divisors: 1, 2, 3, 6, 9, 13, 17, 18, 26, 34

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -101101101001010110

Octal: -555126

Duodecimal: -90246

Hexadecimal: -2da56

Square: 34956285156

Square Root: 432.3956521520539

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

Triangular numbers for which the sum of the digits is a square. A117404

Triangular arithmetic on half-squares: b(n)*(b(n) - 1)/2 where b(n) = floor(n²/2). A227970

Triangular numbers for which the sum of the digits equals the sum of the digits of the next triangular number. A117511