1

One.

Power of Two

2⁰ = 1

Fibonacci

1 a Fibonacci number

Perfect Square

1 is a perfect square (1 × 1)

Quick Response (QR) Code

What is a QR code?

Barcode

Squared

Cubed

Hexadecimal

Odd

1 is odd

Previous odd number is -1

Next odd number is 3

Binary

Octal

Power of Two

2¹ = 2

Roman Numerals

I

Unix Timestamp

Thursday, 01 January 1970 00:00:01 UTC