2000 (number)

1999 2000 2001
Cardinal two thousand
Ordinal 2000th
(two thousandth)
Factorization 24× 53
Roman numeral MM
Unicode symbol(s) MM, mm
Binary 111110100002
Ternary 22020023
Quaternary 1331004
Quinary 310005
Senary 131326
Octal 37208
Duodecimal 11A812
Hexadecimal 7D016
Vigesimal 50020
Base 36 1JK36
Look up two thousand in Wiktionary, the free dictionary.

2000 (two thousand) is a natural number following 1999 and preceding 2001.

Two thousand is the highest number expressible using only two unmodified characters in Roman numerals (MM).

Two thousand is also:

Selected numbers in the range 2001–2999

References

  1. .
  2. "Odd numbers that are not of the form x^2+y^2+10*z^2.". The Online Encyclopedia of Integer Sequences. The OEIS Foundation, Inc. Retrieved 13 November 2012.
  3. Ono, Ken (1997). "Ramanujan, taxicabs, birthdates, zipcodes and twists" (PDF). American Mathematical Monthly 104 (10): 912–917. doi:10.2307/2974471. Retrieved 11 November 2012.
  4. Ono, Ken; K Soundararajan (1997). "Ramanujan's ternary quadratic forms" (PDF). Inventiones Mathematicae 130 (3): 415–454. doi:10.1007/s002220050191. Retrieved 12 November 2012.
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