40

Details

Instance of

positive integer, even number, octagonal number, pentagonal pyramidal number, composite number, Zumkeller number, abundant number, harshad number

code

௪௰, ௪0, ៤០, XL, 𒐏, 101000, 1111, 220, 130, 104, 55, 44

described by source

Explanatory Dictionary of the Living Great Russian Language, Brockhaus and Efron Encyclopedic Dictionary, Encyclopædia Britannica 11th edition, The Encyclopedia Americana

mathematical inverse

−40

name in hiero markup

V20:V20-V20:V20

named after

Q28667764

number of decimal digits

2

numeric value

40

prime factor

2, 5

topic's main category

Category:40 (number)

Unicode character

㊵, ㉋

Connected on Wikidata

Authority files