93 (number)
Encyclopedia : 9 : 93 : 93N : 93 (number)
93 (ninety-three) is the natural number following 92 and preceding 94.
| Cardinal | 93 ninety-three |
| Ordinal | 93rd ninety-third |
| Factorization | [ 3 \cdot 31] |
| Roman numeral | XCIII |
| Binary | 1011101 |
| Hexadecimal | 5D |
In mathematics
Given 93 the Mertens function returns 0.There are 93 solutions to Znám's problem for length 8.
93 is a repdigit in base 5 (333).
In science
- The atomic number of neptunium, an actinide.
- Messier object M93, a magnitude 6.5 open cluster in the constellation Puppis
- The New General Catalogue [object] NGC 93, a magnitude 13.3 spiral galaxy in the constellation Andromeda
- The Saros [number] of the solar eclipse series which began on -29 August 9 and ended on 1287 October 8. The duration of Saros series 93 was 1316.2 years, and it contained 74 solar eclipses.
- The Saros [number] of the lunar eclipse series which began on 291 May 30 and ended on 1571 July 7. The duration of Saros series 93 was 1280.1 years, and it contained 72 lunar eclipses.
In other fields
Ninety-three is also:
- The designation of American Interstate 93, a freeway that runs from Massachusetts to Vermont.
- The code for international direct dial phone calls to Afghanistan.
- The number of United Airlines Flight 93, which crashed in Pennsylvania, USA on September 11, 2001.
- A greeting among Thelemites as 93 is the Numerological value of Thelema and Agape in Greek numerals.
- One of two ISBN Group Identifiers for books published in India.
- The code for the département of Seine-Saint-Denis in France, and as such used by many French gangsta rappers and those emulating their speech.
- The year AD 93, 93 BC, or 1993.
- Quatre-vingt-treize, a novel concerning the French Revolution by Victor Hugo
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