3F1 Hexadecimal to Binary

3F1 hexadecimal = 1111110001 binary

3F1 written in binary is 11 1111 0001, the number 1,009 in everyday decimal.

3F1 hexadecimal = 1111110001 binary

How to convert 3F1 to binary

Because 16 = 24, every hexadecimal digit stands for exactly 4 binary digits. Write each hexadecimal digit as 4 binary digits:

Binary groupHexadecimal digit
00113
1111F (15)
00011

Result: 3F1 in hexadecimal = 1111110001 in binary (leading zeros dropped).

3F1 (hexadecimal) in other systems

Decimal1009
Roman numeralsMIX
Octal1761
Duodecimal701
Ternary1101101
Base 36S1
Vigesimal2A9
Quaternary33301
Quinary13014
Senary4401

3F1 in all number systems →

Nearby hexadecimal to binary conversions

3EC to binary1111101100
3ED to binary1111101101
3EE to binary1111101110
3EF to binary1111101111
3F0 to binary1111110000
3F2 to binary1111110010
3F3 to binary1111110011
3F4 to binary1111110100
3F5 to binary1111110101
3F6 to binary1111110110

Hexadecimal to binary converter →

About the number 1,009

  • 1009 is an odd number.
  • 1009 is a prime number.
  • Written in binary it needs 10 bits, so it fits in 2 bytes.

Reverse conversion

Frequently asked questions

What is 3F1 in binary?

3F1 in hexadecimal is 1111110001 in binary (the number 1009 in decimal).