- A
nonagonal number, or an
enneagonal number, is a
figurate number that
extends the
concept of
triangular and
square numbers to the
nonagon (a nine-sided...
- A
centered nonagonal number (or
centered enneagonal number) is a
centered figurate number that
represents a
nonagon with a dot in the
center and all other...
- Mars-crossing asteroid. 6047 – safe
prime 6053 –
Sophie Germain prime 6069 –
nonagonal number 6073 –
balanced prime 6079 – The
serial number Winston Smith is...
- number, and the
fourth 1356-gonal number, as well as the 43rd
centered nonagonal number. 8128
Nicomachus "Sloane's A001599 :
Harmonic or Ore numbers"....
- –
highly cototient number,
product of
three consecutive primes 4200 –
nonagonal number,
pentagonal pyramidal number,
largely composite number 4210 – 11th...
-
number following 110 and
preceding 112. 111 is the
fourth non-trivial
nonagonal number, and the
seventh perfect totient number. 111 is
furthermore the...
-
integer after 1088 and
before 1090. It is a
square number (33 squared), a
nonagonal number, a 32-gonal number, a 364-gonal number, and a
centered octagonal...
- super-prime 3071 –
Thabit number 3072 – 3-smooth
number (210×3) 3075 –
nonagonal number 3078 – 18th
pentagonal pyramidal number 3080 –
pronic number 3081...
-
preceding 191. 190 is a
triangular number, a
hexagonal number, and a
centered nonagonal number, the
fourth figurate number (after 1, 28, and 91) with that combination...
- the few such
numbers to also be a
centered hexagonal number. a
centered nonagonal number. a
centered cube number. a
square pyramidal number,
being the sum...
