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Encyclopedia > 1440 (number)

1440 is the natural number after 1439 and before 1441.

List of numbers — Integers

<< 1k 2k 3k 4k 5k 6k 7k 8k 9k >>
Cardinal One thousand [and]
four hundred [and] forty
Ordinal 1440th
Factorization 2^5 cdot 3^2 cdot 5
Roman numeral MCDXL
Binary 10110100000
Hexadecimal 5A0

1440 is a highly totient number, since it has 72 solutions to the equation φ(x) = 1440. It is also a square pyramidal number and a 481-gonal number.


1440 is also

  • The number of minutes in one day
  • the frequency of Radio Luxemburg, (transmitter Marnach) in Kilohertz

  Results from FactBites:
 
1000 (number) - Wikipedia, the free encyclopedia (854 words)
1001 - sphenic number, pentagonal number, pentatope number
1440 - a highly totient number, square pyramidal number and a 481-gonal number.
1540 - triangular number, hexagonal number, decagonal number, tetrahedral number
1440 (number) - definition of 1440 (number) in Encyclopedia (86 words)
1440 is the natural number after 1439 and before 1441.
1440 is a highly totient number, since it has 72 solutions to the equation φ(x) = 1440.
It is also a square pyramidal number and a 481-gonal number.
  More results at FactBites »

 

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