Properties of the Number -66787

Sixty-Six Thousand Seven Hundred Eighty-Seven

Basics

Value: -66788 → -66787 → -66786

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 7 ² × 29 × 47

Divisors: 1, 7, 29, 47, 49, 203, 329, 1363, 1421, 2303

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000010011100011

Octal: -202343

Duodecimal: -32797

Hexadecimal: -104e3

Square: 4460503369

Square Root: 258.43180918764625

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 polyforms with n cells on the faces of a rhombic triacontahedron up to rotation and reflection. A383490

Numbers n such that d(n-2) = d(n) = d(n+2) = 12 where d(n)=A000005(n). A190645