J4 YouTube Star
J4 is a 28 years old YouTube Star from . He was born on January 29, 1996 in .
About
J4 zodiac sign is aquarius.
When is J4's next birthday?
J4 was born on the , which was a Monday. He will be turning 29 in only 62 days from today (28 November, 2024).
Other facts about J4
| Has vertex figure | Triangle |
|---|---|
| Subclass of | Cupola |
| Schläfli symbol | {4}||t{4} |
| Discoverer or inventor | Norman Johnson |
| 3D model | Http://commons.wikimedia.org/wiki/Special:FilePath/J4%20square%20cupola%20wireframe.stl |
| MathWorld identifier | SquareCupola |
| Catalog code | J4 |
| Has quality | Surface Area , defining formula: <math xmlns="http://www.w3.org/1998/Math/MathML" display="block" alttext="{\displaystyle A=(7+2{\sqrt {2}}+{\sqrt {3}})a^{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>A</mi> <mo>=</mo> <mo stretchy="false">(</mo> <mn>7</mn> <mo>+</mo> <mn>2</mn> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mn>2</mn> </msqrt> </mrow> <mo>+</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mn>3</mn> </msqrt> </mrow> <mo stretchy="false">)</mo> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle A=(7+2{\sqrt {2}}+{\sqrt {3}})a^{2}}</annotation> </semantics> </math> |
| Base | Square , of: cupola |
| Has parts of the class | Side , quantity: 20 |
| Has facet polytope | Regular Octagon , quantity: 1 |
| Country | France |
J4 age by year
| In 2023 | He was 27 years old |
|---|---|
| In 2022 | He was 26 years old |
| In 2021 | He was 25 years old |
| In 2020 | He was 24 years old |
| In 2019 | He was 23 years old |
| In 2018 | He was 22 years old |
| In 2017 | He was 21 years old |
| In 2016 | He was 20 years old |
| In 2015 | He was 19 years old |
| In 2014 | He was 18 years old |
| In 2013 | He was 17 years old |
| In 2012 | He was 16 years old |
| In 2011 | He was 15 years old |
| In 2010 | He was 14 years old |
| In 2009 | He was 13 years old |
| In 2008 | He was 12 years old |
| In 2007 | He was 11 years old |
| In 2006 | He was 10 years old |
| In 2005 | He was 9 years old |
| In 2004 | He was 8 years old |
| In 2003 | He was 7 years old |
| In 2002 | He was 6 years old |
| In 2001 | He was 5 years old |
| In 2000 | He was 4 years old |
J4 Is A Member Of
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