Properties of the Number -39669

Thirty-Nine Thousand Six Hundred Sixty-Nine

Basics

Value: -39670 → -39669 → -39668

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 1889

Divisors: 1, 3, 7, 21, 1889, 5667, 13223, 39669

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001101011110101

Octal: -115365

Duodecimal: -1AB59

Hexadecimal: -9af5

Square: 1573629561

Square Root: 199.1707809895819

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 σ(k) = σ(k+5). A15865

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..2 introduced in row major order. A204314

Number of (n+2)X3 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..2 introduced in row major order. A204310

Number of (n+2) X 4 0..2 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..2 introduced in row major order. A204311

Expansion of (1/(1 - x))*∏_k>=1 (1 - x^prime(k))/(1 - x^k). A303663

Numbers n such that (n⁶ + 1091)/4 is prime. A181112