- The term
figurate number is used by
different writers for
members of
different sets of numbers,
generalizing from
triangular numbers to
different shapes...
-
Erythema (Ancient Gr****: ἐρύθημα, from Gr**** erythros 'red') is
redness of the skin or
mucous membranes,
caused by
hyperemia (increased
blood flow) in...
-
Figurate erythema describes a rash
linked to
various skin conditions,
characterized by
multiple red, wavy rings,
concentric circles, and arcs, typically...
-
arranged in an
equilateral triangle.
Triangular numbers are a type of
figurate number,
other examples being square numbers and cube numbers. The nth triangular...
- 19 (nineteen) is the
natural number following 18 and
preceding 20. It is a
prime number.
Nineteen is the
eighth prime number. 19
forms a twin
prime with...
- back to
Archimedes and Fibonacci. They are part of a
broader topic of
figurate numbers representing the
numbers of
points forming regular patterns within...
- 70 (seventy) is the
natural number following 69 and
preceding 71. 70 is the
fourth discrete sphenic number, as the
first of the form 2 × 5 × r {\displaystyle...
- This is a list of
notable integer sequences with
links to
their entries in the On-Line
Encyclopedia of
Integer Sequences. OEIS core
sequences Index to...
- a
centered hexagonal number, or
centered hexagon number, is a
centered figurate number that
represents a
hexagon with a dot in the
center and all other...
- three-way
agreement between Ukraine, NSPA and the EU was signed,
which figurated that the EU
would provide 3.689
million euros for the
destruction of 3...
