I'm occasionally nothing,
but I roar nonetheless,
I come in two, and sometimes six,
And I am made of four.
I am found in 60, as well as 201,
but never ever am I found in 7.
15
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20
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Are you
20
I'm occasionally nothing, (Thanks @Riley)
0x20 is the Hex code for an ASCII Space (i.e. something) while 0x20 is 0 in mathematics (i.e. nothing).
but I roar nonetheless,
A reference to the roaring 20's
I come in two, and sometimes six,
20 is two characters. Twenty is 6 characters.
And I am made of four.
20 is evenly divisible by 4.
I am found in 60, as well as 201,
60 is evenly divisible by 20, and 20 makes up the first two numbers of 201
but never ever am I found in 7.
7 is not evenly divisible by 20, nor is 20 a part of the numeric representation of 7.
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4$\begingroup$ I think "I'm occasionally nothing" may refer to the fact that 0x20 is a space in ascii. $\endgroup$ – Riley May 14 '18 at 20:51
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$\begingroup$ @Riley nice catch. Yeah, that makes sense. Thanks! $\endgroup$ – kuhl May 14 '18 at 20:57
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2$\begingroup$ Wait, you misinterpreted what I said. The space is the nothing. And 0x20 is hex for 32, not 0. Oh I see you interpreted that as multiplication. But I think the space as nothing is what was intended. $\endgroup$ – Riley May 14 '18 at 20:58
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2
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My best guess is
O / 0 / "Zero"
I'm occasionally nothing,
Used to denote the value 0
but I roar nonetheless,
The letter 'O' still makes a sound, as in the word "roar"
I come in two, and sometimes six,
"O" is in TWO, and is the bottom half of the digit version of
6
And I am made of four.
"ZERO" is four letters.
I am found in 60, as well as 201,
60 and 201 contain 0 as a digit.
but never ever am I found in 7.
Neither 7 nor SEVEN contain an O shape.
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$\begingroup$ Hmm, wrong number. But a good guess! $\endgroup$ – Redwolf Programs May 14 '18 at 19:14
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3$\begingroup$ This was my best guess too, but I'd have been disappointed if it was the right answer. (+1 though.) $\endgroup$ – Rand al'Thor May 14 '18 at 19:43
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3
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You are number
3
I'm occasionally nothing,
rotated by 180°, you get ε - used to denote infinitesimal numbers (e.g. in nonstandard analysis) or a very small number (in classical calculus)
but I roar nonetheless,
one, two, three, (go) is used sometimes to count before some loud action (such as music or a car race start)
I come in two, and sometimes six,
the glyph consists of two arcs, a prime factor of 6
And I am made of four.
drawn in four lines in 7-segment display style
I am found in 60, as well as 201,
a prime factor of both of these numbers
but never ever am I found in 7.
but not a prime factor of 7
answered May 14 '18 at 20:07
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$\begingroup$ This answer uses 5 of the seven segments in a seven-segment display... $\endgroup$ – Chowzen May 14 '18 at 21:14
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$\begingroup$ @Chowzen 5 segments, but just 4 lines - thus "style" $\endgroup$ – Radovan Garabík May 14 '18 at 21:21
sbhe vf n snpgbe bs gjragl$\endgroup$ – Redwolf Programs May 15 '18 at 0:09