133 (liczba) (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "133 (liczba)" in Polish language version.

refsWebsite

Global rank Polish rank

742^nd place

1,271^st place

70^th place

176^th place

loc.gov

catalog.loc.gov

Library of Congress Online Catalogue. [dostęp 2017-03-16].

oeis.org

Blum integers: numbers of the form p * q where p and q are distinct primes congruent to 3 (mod 4). The On-Line Encyclopedia of Integer Sequences. [dostęp 2017-03-16]. (ang.).
Niven (or Harshad) numbers: numbers that are divisible by the sum of their digits.. The On-Line Encyclopedia of Integer Sequences. [dostęp 2017-03-16]. (ang.).
Happy numbers: numbers whose trajectory under iteration of sum of squares of digits map.. The On-Line Encyclopedia of Integer Sequences. [dostęp 2017-03-16]. (ang.).
Octagonal numbers: n*(3*n-2). Also called star numbers.. The On-Line Encyclopedia of Integer Sequences. [dostęp 2017-03-16]. (ang.).