190 (number)

Last updated
← 189 190 191 →
Cardinal one hundred ninety
Ordinal 190th
(one hundred ninetieth)
Factorization 2 × 5 × 19
Divisors 1, 2, 5, 10, 19, 38, 95, 190
Greek numeral ΡϞ´
Roman numeral CXC, cxc
Binary 101111102
Ternary 210013
Senary 5146
Octal 2768
Duodecimal 13A12
Hexadecimal BE16

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

Contents

In mathematics

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 of properties. [1] It is also a truncated square pyramid number. [2]

See also

References

  1. ↑ Sloane, N. J. A. (ed.), "SequenceA272399(The intersection of hexagonal numbers (A000384) and centered 9-gonal numbers (A060544))", The On-Line Encyclopedia of Integer Sequences , OEIS Foundation
  2. ↑ Sloane, N. J. A. (ed.), "SequenceA050409(Truncated square pyramid numbers: a(n) = Sum_{k = n..2*n} k^2)", The On-Line Encyclopedia of Integer Sequences , OEIS Foundation


This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.