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200 (number)
| Field | Value | |||||||
|---|---|---|---|---|---|---|---|---|
| number | 200 | |||||||
| divisor | 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200 | |||||||
| lang1 | Armenian | lang1 symbol=Մ | lang2=Hebrew | lang2 symbol=ר | lang3=Babylonian cuneiform | lang3 symbol=𒐗⟪ | lang4=Egyptian hieroglyph | lang4 symbol=𓍣 |
200 (two hundred) is the natural number following 199 and preceding 201.
In mathematics
200 is an abundant number, as 265, the sum of its proper divisors, is greater than itself.
The number appears in the Padovan sequence, preceded by 86, 114, and 151 (it is the sum of the first two of these).
The sum of Euler's totient function φ(x) over the first twenty-five integers is 200.
200 is the smallest base 10 unprimeable number – it cannot be turned into a prime number by changing just one of its digits to any other digit. It is also a Harshad number.
200 is an Achilles number.
References
References
- "Sloane's A000931 : Padovan sequence". OEIS Foundation.
- {{OEIS. A192545
- {{Cite OEIS. A005349. Niven (or Harshad, or harshad) numbers
- {{cite OEIS. A052486
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