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190 (number)

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← 189 190 191 →
List of numbers — Integers
0 100 200 300 400 500 600 700 800 900
Cardinalone hundred ninety
Ordinal190th
(one hundred ninetieth)
Factorization2 × 5 × 19
Greek numeralΡϞ´
Roman numeralCXC
Binary101111102
Ternary210013
Octal2768
Duodecimal13A12
HexadecimalBE16

190 (one hundred [and] ninety) is the natural number following 189 and preceding 191.

In mathematics

  • 190 is an even number
  • 190 is a deficient number, as the sum of its proper divisors (170) is less than 190
  • 190 is a happy number
  • 190 is a Harshad number or Niven number divisible by the sum of its digits
  • 190 is a sphenic number
  • 190 is a square free number
  • 190 is a triangular number
  • 190 is a hexagonal number
  • 190 is a centered nonagonal number[1]
  • 190 is a 33-gonal number[2]

In other fields

190 is also:

See also

External links

References

  1. ^ "Sloane's A060544 : Centered 9-gonal (also known as nonagonal or enneagonal) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
  2. ^ "Sloane's A098923 : 33-gonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
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