#What does this mean

9 messages · Page 1 of 1 (latest)

vestal ether
#

What does, 10101, 10010, 11101? It's like conversion idk thought

lofty currentBOT
#

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hidden wave
#

Is this binary?

#

If so:
10101 = 16+4+1 = 21
10010 = 16+2 = 18
11101 = 16+8+4+1 = 29

feral schooner
#

It is binary: Binary digits work as powers of 2, starting from the rightmost bit.

10101 (binary)
Positions (from right): 0, 1, 2, 3, 4
Calculation:

1
⋅
2
4
+
0
⋅
2
3
+
1
⋅
2
2
+
0
⋅
2
1
+
1
⋅
2
0
1⋅2
4
+0⋅2
3
+1⋅2
2
+0⋅2
1
+1⋅2
0

=
16
+
0
+
4
+
0
+
1

21
16+0+4+0+1=21

10010 (binary)
Calculation:

1
⋅
2
4
+
0
⋅
2
3
+
0
⋅
2
2
+
1
⋅
2
1
+
0
⋅
2
0
1⋅2
4
+0⋅2
3
+0⋅2
2
+1⋅2
1
+0⋅2
0

=
16
+
0
+
0
+
2
+
0

18
16+0+0+2+0=18

11101 (binary)
Calculation:

1
⋅
2
4
+
1
⋅
2
3
+
1
⋅
2
2
+
0
⋅
2
1
+
1
⋅
2
0
1⋅2
4
+1⋅2
3
+1⋅2
2
+0⋅2
1
+1⋅2
0

=
16
+
8
+
4
+
0
+
1

29
16+8+4+0+1=29

✅ So the decimal equivalents are: 21, 18, 29.

flat swan
feral schooner
#

Sorry, Is binary conversions. In simple words it's binary

toxic bough
#

Binary blew my mind when I first learned about it. 😆

#

I had no idea there were other ways of writing numbers than Base 10.