Properties of the Number 27728

Twenty-Seven Thousand Seven Hundred Twenty-Eight

Basics

Value: 27727 → 27728 → 27729

Parity: even

Prime: No

Previous Prime: 27701

Next Prime: 27733

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 1733

Divisors: 1, 2, 4, 8, 16, 1733, 3466, 6932, 13864, 27728

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110001010000

Octal: 66120

Duodecimal: 14068

Hexadecimal: 6c50

Square: 768841984

Square Root: 166.5172663719892

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

Nonprimes in the triangle A141020. A141031

Numbers k such that k!!!!!! + 1 is prime. A85150

Number of subsets of {1,2,3,...,n} whose sum is a square integer (including the empty subset). A126024

Starts of runs of 4 consecutive positive negabinary-Niven numbers (A331728). A331824

Solutions of a fifth-order probability difference equation. A1949

Numbers k such that 4^k + 3 is prime. A89437

7-step Fibonacci sequence starting with (0,0,1,0,0,0,0). A251713

Number of pairs (λ,μ) of partitions λ of n and μ of floor(n/2) with μ <= λ (by diagram containment). A303851

Number of pairs (λ,μ) of partitions λ of n and μ of ceiling(n/2) with μ <= λ (by diagram containment). A303852

Number of pairs (λ,μ) of partitions λ of 2n and μ of n with μ <= λ (by diagram containment). A303861