Properties of the Number 39828

Thirty-Nine Thousand Eight Hundred Twenty-Eight

Basics

Value: 39827 → 39828 → 39829

Parity: even

Prime: No

Previous Prime: 39827

Next Prime: 39829

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 3319

Divisors: 1, 2, 3, 4, 6, 12, 3319, 6638, 9957, 13276

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1001101110010100

Octal: 115624

Duodecimal: 1B070

Hexadecimal: 9b94

Square: 1586269584

Square Root: 199.5695367534835

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

Numbers k such that φ(k-6) = φ(k) = φ(k+6). A217006

Euler transform of A141199. A144791

Largest coefficient in expansion of ∏_i=1..n (1 + (-q)ⁱ). A39828

Number of (n+1)X(4+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)-x(i-1,j) in the j direction. A250523