103 (number)

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← 102 103 104 →
Cardinal one hundred three
Ordinal 103rd
(one hundred third)
Factorization prime
Prime 27th
Greek numeral ΡΓ´
Roman numeral CIII
Binary 11001112
Ternary 102113
Quaternary 12134
Quinary 4035
Senary 2516
Octal 1478
Duodecimal 8712
Hexadecimal 6716
Vigesimal 5320
Base 36 2V36

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

In mathematics[edit]

103 is the 27th prime number. The previous prime is 101, making them both twin primes, it is also a happy number.[1]

103 is a strictly non-palindromic number.[2]

103 is the smallest prime number in which the period length of its reciprocal is exactly 1/3 of the maximum length.

In science[edit]

In other fields[edit]

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:

See also[edit]

References[edit]

  1. ^ "Sloane's A007770 : Happy numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27. 
  2. ^ "Sloane's A016038 : Strictly non-palindromic numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.