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🚪 Odd-Even Gate

Use the power of the last bit to determine even or odd!

🔢 Number Analysis
42
n & 1 = ?
Enter a number to check
🔵
EVEN
Closed
🔶
ODD
Closed

📚 The Bit Trick

The rightmost bit (bit 0) determines if a number is even or odd:

if (n & 1) {
  // n is ODD
} else {
  // n is EVEN
}