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odd, prime · 53rd positive integer

The number 53

53 is an odd prime number. It is the 53rd positive integer.

Quick reference

Prime factorization53 (prime)
Divisors1, 53
Binary110101
Hexadecimal0x35
Roman numeralLIII
Digit sum8
Propertiesodd, prime

Frequently asked

Is 53 a prime number?

Yes. 53 is prime — its only divisors are 1 and itself.

What are the factors of 53?

The factors (divisors) of 53 are 1, 53.

What is 53 in binary?

53 in binary is 110101. In hexadecimal it's 35.

What is 53 as a Roman numeral?

53 in Roman numerals is LIII.

What's the digit sum of 53?

Adding the digits of 53: 5 + 3 = 8.

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