Skip to main content
NumGrid

odd, prime · 73rd positive integer

The number 73

73 is an odd prime number. It is the 73rd positive integer.

Quick reference

Prime factorization73 (prime)
Divisors1, 73
Binary1001001
Hexadecimal0x49
Roman numeralLXXIII
Digit sum10
Propertiesodd, prime

Frequently asked

Is 73 a prime number?

Yes. 73 is prime — its only divisors are 1 and itself.

What are the factors of 73?

The factors (divisors) of 73 are 1, 73.

What is 73 in binary?

73 in binary is 1001001. In hexadecimal it's 49.

What is 73 as a Roman numeral?

73 in Roman numerals is LXXIII.

What's the digit sum of 73?

Adding the digits of 73: 7 + 3 = 10.

← Play today's NumGrid