Properties of the Number -206672

Two Hundred Six Thousand Six Hundred Seventy-Two

Basics

Value: -206673 → -206672 → -206671

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 12917

Divisors: 1, 2, 4, 8, 16, 12917, 25834, 51668, 103336, 206672

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -110010011101010000

Octal: -623520

Duodecimal: -9B728

Hexadecimal: -32750

Square: 42713315584

Square Root: 454.61192241295214

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) = (7·3ⁿ + 1)/2. A199109

a(n) = (7·9ⁿ + 1)/2. A199566

Records in the numbers of representations of k² as x² - x·y + y², x > 2·y >= 0, corresponding to the numbers of grid points with squared radius A357302(n)² in an angular sector 0 <= φ < π/6 of the triangular lattice. A357303