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50 (number)

50 (number)
FieldValue
number50
numeralquinquagesimal
divisor1, 2, 5, 10, 25, 50
unicodeↆ
lang1Armenianlang1 symbol=Ծlang2=Hebrewlang2 symbol=נ / ןlang3=Babylonian numerallang3 symbol=𒐐lang4=Egyptian hieroglyphlang4 symbol=𓎊

50 (fifty) is the natural number following 49 and preceding 51.

In mathematics

50 as the sum of two non-zero squares

Fifty is the smallest number that is the sum of two non-zero square numbers in two distinct ways. 50 is an unsigned Stirling number of the first kind and a Narayana number.

In science

  • The fifth magic number in nuclear physics, corresponding to the element tin

In religion

  • In Hindu tantric tradition, the number 50 holds significance as the 50 Rudras in the Malinīvijayottara correlate with the 50 phonemes of Sanskrit, as well as with the 50 severed heads worn around goddess Kali's head. The mantra Aham ("I am"), as laid out in the Vijñāna Bhairava represents the first अ(a) and last ह(ha) phonemes of the Sanskrit alphabet and is believed to represent ultimate reality, in accordance with its non-dual philosophy.

In other fields

  • The percentage (50%) equivalent to one half, so that the phrase "fifty-fifty" commonly expresses something divided equally in two; in business this is often denoted as being the ultimate in equal partnership
  • In years of marriage, the gold or "golden" wedding anniversary

References

References

  1. de Koninck, J.M. (2009). ''Those fascinating numbers''. AMS Bookstore. p. 18. {{ISBN. 0-8218-4807-0.
  2. {{Cite OEIS
  3. {{Cite OEIS
  4. "Magic number".
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50-(number) integers
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