usual number
41Condition number — In the field of numerical analysis, the condition number of a function with respect to an argument measures the asymptotically worst case of how much the function can change in proportion to small changes in the argument. The function is the… …
42Hyperreal number — *R redirects here. For R*, see Rockstar Games. The system of hyperreal numbers represents a rigorous method of treating the infinite and infinitesimal quantities. The hyperreals, or nonstandard reals, *R, are an extension of the real numbers R… …
43Palindromic number — A palindromic number or numeral palindrome is a symmetrical number like 16461, that remains the same when its digits are reversed. The term palindromic is derived from palindrome, which refers to a word like rotor that remains unchanged under… …
4415 (number) — This article is about the number 15. For the year, see 15. For other uses, see 15 (disambiguation). ← 14 16 → 15 ← …
45Aleph number — In the branch of mathematics known as set theory, the aleph numbers are a sequence of numbers used to represent the cardinality (or size) of infinite sets. They are named after the symbol used to denote them, the Hebrew letter aleph (aleph).The… …
4672 (number) — ← 71 73 → 72 ← 70 71 72 73 74 75 76 …
47108 (number) — ← 107 109 → 108 ← 100 101 102 103 104 105 106 …
48Irrational number — In mathematics, an irrational number is any real number that is not a rational number that is, it is a number which cannot be expressed as a fraction m / n , where m and n are integers, with n non zero. Informally, this means numbers that cannot… …
4925 (number) — ← 24 26 → 25 ← 20 21 22 23 24 25 26 …
50Rational number — In mathematics, a rational number is any number that can be expressed as the quotient or fraction a/b of two integers, with the denominator b not equal to zero. Since b may be equal to 1, every integer is a rational number. The set of all… …
