Sha256: 31413f5fd1af6d976c294e21eed057fa0805b3632915cab8637b6f6981b1a79a
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Size: 505 Bytes
Versions: 31
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Stored size: 505 Bytes
Contents
# coding: utf-8
class Integer
# An extravagant number has fewer digits than the number of digits in its
# prime factorization (including exponents).
#
# Returns true if self is extravagant; false otherwise. Aliased to
# Integer#wasteful?.
#
# 234.extravagant? #=> true
# 87.extravagant? #=> true
# 81.extravagant? #=> false
#
def extravagant?
digits.size < prime_division.flatten.reject{|d|d==1}.join.to_i.digits.size
end
alias :wasteful? :extravagant?
end
Version data entries
31 entries across 31 versions & 1 rubygems