Special sets of numbers include. 1  P or â, denoting the set of all primes: P = {2, 3, 5, 7, 11, 13, 17, ...}. 2  N or â, denoting the set of all natural numbers: N = {0, 1, 2, 3, . 3  Z or â¤, denoting the set of all integers (whether positive, negative or zero): Z = {..., â2, â1, 0, 1, 2, ...}.
The meaning of Semaj is unknown. Its origin is  Modern English . Recently this name is mostly being used as a unisex name, but historically it's a boy's name. Last year it ranked 1,581st in the U.S. Social Security Administration list of most popular baby names.
The original meaning of the name is the settlement (ham) of the followers (ing) of Beorma, who is believed to have been a Saxon warrior or nobleman. In July 2009 incredible Anglo-Saxon artefacts were unearthed in the Birmingham region.