Properties of the Number -1766

Seven Hundred Sixty-Six

Basics

Value: -1767 → -1766 → -1765

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 883

Divisors: 1, 2, 883, 1766

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11011100110

Octal: -3346

Duodecimal: -1032

Hexadecimal: -6e6

Square: 3118756

Square Root: 42.02380277890139

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

Expansion of q^-3 * (η(q) * η(q⁸))⁸ in powers of q. A34433

Partition function coefficients for square lattice spin 2 Ising model. A10108

Number of points on surface of octahedron; also coordination sequence for cubic lattice: a(0) = 1; for n > 0, a(n) = 4n² + 2. A5899

a(n) = n² + 2. A59100

Snowflake (or E-toothpick) sequence (see Comments lines for definition). A161330

Expansion of 1/(1 - x - x² + x⁶ - x⁸). A225393

Number of 5th-order maximal independent sets in path graph. A7380

a(0) = 1, a(n) = n² + 2 for n > 0. A10000

Number of partitions of n for which 2*(number of distinct parts) <= (number of parts). A237363

Numbers n such that φ(46,n) is prime, where φ is the cyclotomic polynomial. A250193