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Properties of the Number 1766

One Thousand Seven Hundred Sixty-Six

Basics

Value: 1765 → 1766 → 1767

Parity: even

Prime: No

Previous Prime: 1759

Next Prime: 1777

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

4823 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

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
Number of partitions of n in which each part occurs a prime number (or 0) times. A55923
Partial sums of A097988 (d3(n)2). A330570