Properties of the Number 1768

One Thousand Seven Hundred Sixty-Eight

Basics

Value: 1767 → 1768 → 1769

Parity: even

Prime: No

Previous Prime: 1759

Next Prime: 1777

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 13 × 17

Divisors: 1, 2, 4, 8, 13, 17, 26, 34, 52, 68

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 11011101000

Octal: 3350

Duodecimal: 1034

Hexadecimal: 6e8

Square: 3125824

Square Root: 42.04759208325728

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

a(n) = lcm{1,2,...,n} / swinging_factorial(n) = A003418(n) / A056040(n). A180000

G.f.: ∏_{n >= 0} (1+x²ⁿ⁺¹)/(1-x²ⁿ⁺¹). A80054

a(n) = n² + 4. A87475

Multiples of 17 containing a 17 in their decimal representation. A121037

a(n) = n*(2·n+5)*(n-1)/6. A51925

Numbers m such that 6·m+1 is a perfect square. A62717

a(n) = 2·n² + 3·n - 1. A91823

a(n) = n*(n + 18). A98850

Consider the base-3 Kaprekar map n->K(n) defined in A164993. Sequence gives numbers belonging to cycles, including fixed points. A164998

a(n) = 40·n - 32. A139279