501 (five hundred [and] one) is thenatural number following500 and preceding502.
501 is the sum of the first eighteenprimes.[1]There are 501 degree-8polynomials with integer coefficients, all of whose roots are in the unit disk.[2]There are 501 ways of partitioning the digits from 0 to 9 into two sets, each of which contains at least two digits,[3] and 501 ways of partitioning a set of five elements into any number of ordered sequences.[4]501 is also afigurate number based on the5-orthoplex or 5-dimensionalcross polytope.[5]
In thegematria ofEleazar of Worms, the Hebrew words "temunah" (image) and "parsuf 'adam" (human face) both had thenumerological value of 501. Eleazar used this equivalence to argue that, in several Biblical passages, God appeared to His prophets in the form of a human face.[6]
^Vance, Andrea; Ensor, Blair; McGregor, Iain (2019)."Product of Australia".Stuff.The deportees are known as 501s, named after the character section of the Australian Migration Act that allows the cancellation of their visa
