- published: 12 Feb 2016
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1 (one; /ˈwʌn/ or UK /ˈwɒn/) is a number, a numeral, and the name of the glyph representing that number. It represents a single entity, the unit of counting or measurement. For example, a line segment of "unit length" is a line segment of length 1.
One, sometimes referred to as unity, is the integer before two and after zero. One is the first non-zero number in the natural numbers as well as the first odd number in the natural numbers.
Any number multiplied by one is the number, as one is the identity for multiplication. As a result, one is its own factorial, its own square, its own cube, and so on. One is also the empty product, as any number multiplied by one is itself, which produces the same result as multiplying by no numbers at all.
The glyph used today in the Western world to represent the number 1, a vertical line, often with a serif at the top and sometimes a short horizontal line at the bottom, traces its roots back to the Indians, who wrote 1 as a horizontal line, much like the Chinese character 一. The Gupta wrote it as a curved line, and the Nagari sometimes added a small circle on the left (rotated a quarter turn to the right, this 9-look-alike became the present day numeral 1 in the Gujarati and Punjabi scripts). The Nepali also rotated it to the right but kept the circle small. This eventually became the top serif in the modern numeral, but the occasional short horizontal line at the bottom probably originates from similarity with the Roman numeral Failed to parse (Missing texvc executable; please see math/README to configure.): \mathrm{I} . In some European countries (e.g., Germany), the little serif at the top is sometimes extended into a long upstroke, sometimes as long as the vertical line, which can lead to confusion with the glyph for seven in other countries. Where the 1 is written with a long upstroke, the number 7 has a horizontal stroke through the vertical line.
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Ich stah dah nd sing es Lied für dech
Es ish es simpels, ich hoff s gfallt dir glich
Ohni leeri Wort nd ohni Hollywood
Nur en Gedankä wo mi nümm loslaht
Es geb tusig Songs woni dir chönnt singe
Abr de Song de giltet für immr
Egal was d Zukunft alles brengt
Egal was abverheit nd was glingt
Ich will nur dech, nd dass du weish
Du bliebsh immr mini Nr. 1
Egal was s Schicksal mit eus macht
Du hesh neus Läbä i mis Läbä bracht
Ich weiss ned vell doch wasi weiss
Du h immr mini Nr. 1, mini Nr. 1
Es send nur die Ziiele, nume die paar Wort
Ich wott ken Nobelpriis, ken Weltrekord
Ich wotts dr nume gseit hah uni Liebesschmerz
Das ish min halbä Song vo ganzem Herz
Es gäb tusig Wort woni dir möcht singe
Aber die Wort die giltet für immr
Egal was d Zukunft alles brengt
Egal was abverheit nd was glingt
Ich will nur dech, nd dass du weish
Du bliebsh immr mini Nr. 1
Egal was s Schicksal mit eus macht
Du hesh neus Läbä i mis Läbä bracht
Ich weiss ned vell doch wasi weiss
Du h immr mini Nr. 1
Aah
Das Lied ish ganz ellei für dich
All mis Herzbluet liiet i dere Melodie
Es gäb na besseri Wort
Ich benn sichr irgendwänn findi siie
Nume für dii
Egal was d Zukunft alles brengt
Egal was abverheit nd was glingt
Ich will nur dech, nd dass du weish
Du bliebsh immr mini Nr. 1
Egal was s Schicksal mit eus macht
Du hesh neus Läbä i mis Läbä bracht
Ich weiss ned vell doch wasi weiss
Du h immr mini Nr. 1, mini Nr. 1