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Europium is a chemical element; it has symbol Eu and atomic number 63. Europium is a silvery-white metal of the lanthanide series that reacts readily with air to form a dark oxide coating. It is the most chemically reactive, least dense, and softest of the lanthanide elements. It is soft enough to be cut with a knife.
63 is the sum of the first six powers of 2 (2 0 + 2 1 + ... 2 5).It is the eighth highly cototient number, [1] and the fourth centered octahedral number after 7 and 25. [2] For five unlabeled elements, there are 63 posets.
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
69 63 6e 73: icns: 0 icns Apple Icon Image format: 66 74 79 70 33 67: ftyp3g: 4 3gp 3g2 3rd Generation Partnership Project 3GPP and 3GPP2 multimedia files 66 74 79 70 68 65 69 6366 74 79 70 6d: ftypheic: 4 heic High Efficiency Image Container (HEIC) 1F 9D ␟ 0 z tar.z compressed file (often tar zip) using Lempel-Ziv-Welch algorithm 1F A0 ...
10 63: 10 120 ... Dmitry Peskov, stated that this value was symbolic. [15] Names of larger numbers, however, have a tenuous, artificial existence, rarely found ...
64 is the atomic number of gadolinium, a lanthanide.. 64 is the number of codons in the RNA codon table of the genetic code.. 64 is the size in bits of certain data types in some computer programming languages, where a 64-bit integer can represent values up to 2 64 = 18,446,744,073,709,551,616.
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The numero sign or numero symbol, № (also represented as Nº, No̱, №, No., or no.), [1] [2] is a typographic abbreviation of the word number(s) indicating ordinal numeration, especially in names and titles. For example, using the numero sign, the written long-form of the address "Number 29 Acacia Road" is shortened to "№ 29 Acacia Rd ...