103 (number)
103 (one hundred [and] three) is the natural number following 102 and preceding 104.
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| Cardinal | one hundred three | |||
| Ordinal | 103rd (one hundred third) | |||
| Factorization | prime | |||
| Prime | 27th | |||
| Greek numeral | ΡΓ´ | |||
| Roman numeral | CIII | |||
| Binary | 11001112 | |||
| Ternary | 102113 | |||
| Octal | 1478 | |||
| Duodecimal | 8712 | |||
| Hexadecimal | 6716 | |||
In mathematics
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
- The atomic number of lawrencium, an actinide.
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:
- The emergency telephone number for ambulance in Belarus, India and Ukraine
See also
- List of highways numbered 103
- 103rd Street (disambiguation), multiple rapid transit stations
References
- Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 133
- "Sloane's A007770 : Happy numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.
- "Sloane's A016038 : Strictly non-palindromic numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.
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