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Daniel Friedrich Ernst Meissel (31 July 1826, Eberswalde,
Daniel Friedrich Ernst Meissel (31 July 1826, Eberswalde, Brandenburg Province
The Province of Brandenburg (german: Provinz Brandenburg) was a province of Prussia from 1815 to 1945. Brandenburg was established in 1815 from the Kingdom of Prussia's core territory, comprised the bulk of the historic Margraviate of Brandenburg ...
– 11 March 1895, Kiel
Kiel () is the capital and most populous city in the northern Germany, German state of Schleswig-Holstein, with a population of 246,243 (2021).
Kiel lies approximately north of Hamburg. Due to its geographic location in the southeast of the J ...
) was a German astronomer
An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, natural satellite, moons, comets and galaxy, g ...
who contributed to various aspects of number theory
Number theory (or arithmetic or higher arithmetic in older usage) is a branch of pure mathematics devoted primarily to the study of the integers and arithmetic function, integer-valued functions. German mathematician Carl Friedrich Gauss (1777â ...
.
See also
*Meissel–Lehmer algorithm The Meissel–Lehmer algorithm (after Ernst Meissel and Derrick Henry Lehmer) is an algorithm that computes exact values of the prime-counting function.
Description
The problem of counting the exact number of primes less than or equal to x, wit ...
*Meissel–Mertens constant
The Meissel–Mertens constant (named after Ernst Meissel and Franz Mertens), also referred to as Mertens constant, Kronecker's constant, Hadamard– de la Vallée-Poussin constant or the prime reciprocal constant, is a mathematical constant in n ...
External links
* 1826 births 1895 deaths 19th-century German astronomers 19th-century German mathematicians Number theorists {{Germany-astronomer-stub