<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: Umdwebi waseDutch nomfundisi waseBenedictine uDom Hans van der Laan banikeza leli nani igama elithi plastic number Dutch: het plastische getal ngo-1928. Ngo-1924, eminyakeni emine ngaphambi kokuba uvan der Laan anikeze inombolo igama layo, unjiniyela waseFrance uGérard Cordonnier wayeseyitholile inombolo futhi wayibiza ngokuthi inombolo ekhazimulayo ngesiFulentshi: le nombre radiant. Ngokungafani namagama wesilinganiso segolide nesilinganiso sesiliva, igama elithi plastic alizange lihloswe ngu-van der Laan ukubhekisela entweni ethile, kodwa kunalokho ngomqondo walo wesichazamazwi, okusho okuthile okunganikezwa ukwakheka kwezinto ezintathu. Lokhu, ngokukaRichard Padovan, kungenxa yokuthi izilinganiso ezivamile zenombolo, u-34 no-17, zihlobene nemingcele yokubona komuntu ekuxhumaniseni usayizi owodwa womzimba nomunye. UVan der Laan waklama isonto likaSt. Benedictusberg Abbey ngo-1967 ngalezi zinombolo zepulasitiki. Inombolo yepulasitiki ngezinye izikhathi ibizwa nangokuthi inombolo yesiliva, igama elinikezwe nguMidhat J. Gazalé futhi kamuva elisetshenziswe nguMartin Gardner, kodwa lelo gama livame ukusetshenziselwa isilinganiso sesiliva 1 2, esinye sezilinganiso ezivela emndenini wezinto zensimbi ezichazwe okokuqala nguVera W. de Spinadel ngo-1998. Umbuzo: Ubani owanika ipulasitiki igama layo  <response>: UDom Hans van der Laan 