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A practice was established to tattoo the inmates with identification numbers. Prisoners sent straight to gas chambers didn't receive anything. Initially, in Auschwitz, the camp numbers were sewn on the clothes; with the increased death rate, it became difficult to identify corpses, since clothes were removed from corpses.
A prime number, often shortened to just prime, is an integer greater than 1 that is not the product of two smaller positive integers. The first few prime numbers are ...
Such a number is algebraic and can be expressed as the sum of a rational number and the square root of a rational number. Constructible number: A number representing a length that can be constructed using a compass and straightedge. Constructible numbers form a subfield of the field of algebraic numbers, and include the quadratic surds.
Number systems have progressed from the use of fingers and tally marks, perhaps more than 40,000 years ago, to the use of sets of glyphs able to represent any conceivable number efficiently. The earliest known unambiguous notations for numbers emerged in Mesopotamia about 5000 or 6000 years ago.
In "Democracy," Charlie encounters Oswald and resumes to persuade Oswald to enroll at CalSci. Upon Dr. Millie Finch's (Kathy Najimy) suggestion, Charlie asks Oswald to help him investigate a series of numbers which Charlie's friend, a demographer named Rachel Lawson, left him before her murder.
Many of the numbers have styles and personalities associated with their numbers (One is brave and independent, Four loves squares as he is a square number, Seven is rainbow-coloured and lucky due to the superstition behind that number, Eight has octopus-like tentacles as octopuses have 8 tentacles, Eleven loves football as a football team has ...
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
No odd perfect numbers are known; hence, all known perfect numbers are triangular. For example, the third triangular number is (3 × 2 =) 6, the seventh is (7 × 4 =) 28, the 31st is (31 × 16 =) 496, and the 127th is (127 × 64 =) 8128. The final digit of a triangular number is 0, 1, 3, 5, 6, or 8, and thus such numbers never end in 2, 4, 7, or 9.