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# 103 (number)

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 Title: 103 (number) Author: World Heritage Encyclopedia Language: English Subject: Collection: Integers Publisher: World Heritage Encyclopedia Publication Date:

### 103 (number)

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

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

## Contents

• In mathematics 1
• In science 2
• In other fields 3
• References 5

## In mathematics

103 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.

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

## 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: