400

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400
Numbers 400 - 499
400	401	402	403	404	405	406	407	408	409
410	411	412	413	414	415	416	417	418	419
420	421	422	423	424	425	426	427	428	429
430	431	432	433	434	435	436	437	438	439
440	441	442	443	444	445	446	447	448	449
450	451	452	453	454	455	456	457	458	459
460	461	462	463	464	465	466	467	468	469
470	471	472	473	474	475	476	477	478	479
480	481	482	483	484	485	486	487	488	489
490	491	492	493	494	495	496	497	498	499

The number 400 (four hundred) is called centzontli in Classical Nahuatl.

The Gregorian calendar repeats every 400 years.

In the Hawaiian language, 400 is called "lau".

In Dzongkha, 400 is called "ɲiɕu".

In base 20, 400 is equal to 10. Hence, 400 in Mayan numerals is two eyes and a dot.

HaydenTheGoogologist2009 calls this number dollaxul, and is equal to \(200\$[0]=2*200\) in Dollar function.

DeepLineMadom calls the number boosartol.

Properties

• 400 is an even composite number.
• 400 is the twentieth square number.
• 400 is a happy number.
• 400 is abundant.
• Its prime factorization is 2⁴ x 5².