Properties of the Number 77088

Seventy-Seven Thousand Eighty-Eight

Basics

Value: 77087 → 77088 → 77089

Parity: even

Prime: No

Previous Prime: 77081

Next Prime: 77093

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ⁵ × 3 × 11 × 73

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010110100100000

Octal: 226440

Duodecimal: 38740

Hexadecimal: 12d20

Square: 5942559744

Square Root: 277.6472582252524

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 rooted 2-dimensional polyominoes with n triangular cells, with no symmetries removed. A94164

Series expansion for mean-squared radius of gyration of rectangles on square lattice. A121782

Number of -n..n arrays x(0..3) of 4 elements with zero sum and nonzero second differences. A200554

a(n) = φ(σ(n) - φ(n)), where φ is Euler's totient function and σ is the sum of divisors function, with a(1) = 0. A77088

Triangle T(n,m) = n!/(m!!*(n-m)!!) read by rows, where (.)!! = A006882(.) are double factorials. A172089