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# 103 (number)

103 (one hundred [and] three) is the natural number following 102 and preceding 104.

103
Cardinal one hundred [and] three
Ordinal 103rd
(one hundred [and] third)
Numeral system 103
Factorization prime
Prime 27th
Divisors 1, 103
Roman numeral CIII
Binary 11001112
Octal 1478
Duodecimal 8712

## In mathematics

One hundred [and] three is the 27th prime number. The previous prime is 101, making them both twin primes. It is also a happy number.

103 is a strictly non-palindromic number.

## In other fields

When "and" is required for the number name, 103 is the smallest number requiring 18 letters when spelled out in English.

One hundred three is also:

## References

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