View source for 128 number

'''128''' is the [[natural number]] following [[127 (number)|127]] and preceding [[129 (number)|129]]. 

{| border=1 style="float: right; border-collapse: collapse;"
|colspan=2|{{Numbers_120s}}
|-
|[[Cardinal number|Cardinal]]
|One hundred [and]<br> twenty-eight
|-
|[[Ordinal number|Ordinal]]
|128th
|-
|[[Factorization]]
|<math>2^7</math>
|-
|[[Roman numeral]]
|CXXVIII
|-
|[[Binary numeral system|Binary]]
|10000000
|-
|[[Hexadecimal]]
|80
|}

One hundred [and] twenty-eight is the largest number which can not be expressed as the sum of any number of distinct [[square number|squares]]. But it can be expressed combining its digits with mathematical operators thus 128 = 2<sup>8-1</sup>, making it a [[Friedman number]].

One hundred [and] twenty-eight is also:
<!-- * The [[atomic number]] of [[unbioctium]]. -->
* The size, in bits, of certain [[Integer (computer science)|integer data types]], used in [[computer]] [[Computer numbering formats|representations of numbers]].
* The number of character codes in [[ASCII]] (a 7-bit, not 8-bit, code).
* In megabytes, a common size for [[USB flash drive]]s and [[memory card]]s.
* The number of sons of Anathoth at the Census of men of Israel upon return from exile (Holy Bible, Ezra 2:23). Also, the number of singers, sons of Asaph (Ezra 2:41).
* The number of musical instruments specified in [[General MIDI]]. Sometimes they are numbered 0 to 127 and sometimes they are numbered 1 to 128.
*The year [[128]].
[[Category:Integers]]

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