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== In mathematics == | == In mathematics == | ||
1900 is a [[composite number]],<ref name=":0" /> a [[happy number]], and a [[harshad number]].<ref>{{Cite web |title=Number 1900 - Harshad Number, Properties & Facts {{!}} NumberWorld |url=https://numberworld.info/1900 |access-date=2026-09-25 |website=numberworld.info |language=en}}</ref> It is the third largest palindromic roman numeral<ref>{{cite OEIS| | 1900 is a [[composite number]],<ref name=":0" /> a [[happy number]], and a [[harshad number]].<ref>{{Cite web |title=Number 1900 - Harshad Number, Properties & Facts {{!}} NumberWorld |url=https://numberworld.info/1900 |access-date=2026-09-25 |website=numberworld.info |language=en}}</ref> It is the third largest palindromic roman numeral<ref>{{cite OEIS|A078715|Palindromic Roman numerals|access-date=2026-09-25}}</ref> (MCM).<ref name=":0" /> | ||
== See also == | == See also == | ||
Revision as of 19:08, 25 September 2026
Template:Short description Template:Infobox number 1900 (nineteen hundred or one thousand nine hundred) is the natural number following 1899 and preceding 1901.[1]
In mathematics
1900 is a composite number,[1] a happy number, and a harshad number.[2] It is the third largest palindromic roman numeral[3] (MCM).[1]
See also
- 1900 - a year
References
- ↑ 1.0 1.1 1.2 Vanovschi, Vitalii. "Properties of the number 1900" (in en). http://www.numberempire.com:80/1900.
- ↑ "Number 1900 - Harshad Number, Properties & Facts | NumberWorld" (in en). https://numberworld.info/1900.
- ↑ Template:Cite OEIS