| Number_Spiral Explains this method of visually representing the distribution of primes and the relationships between factors and products. |
| On-Line_Encyclopedia_of_Integer_Sequences_(OEIS)__Primes Index to information about many integer sequences involving primes. Site includes numerous other prime-related sequences. |
| Patterns_in_Primes Examples of mostly digit patterns collected by Harvey Heinz. |
| Primality Introductory text on the theory of prime numbers and number fields. Contains proofs of some important theorems including the fundamental theorem of arithmetic. [PDF] |
| Primality_Testing_with_Fermat\'s_Little_Theorem Test numbers for primality and pseudoprimality in Java. |
| Prime_k-tuplets Tony Forbes' extensive collection of special types of prime clusters. |
| The_Prime_Machine Explore interactively the Goldbach conjecture, the distribution of prime twins, the prime number theorem. |
| Prime_Music A musical piece translating prime factorizations to frequencies. Requires RealPlayer. |
| Prime_Numbers Short lesson. |
| Prime_Numbers_and_Factoring Links and references related to primes and factoring. |
| Prime_Numbers_List Browse all prime numbers of less than 10 digits. A prime number checker facility is also included. |
| The_Prime_Page Methods and definitions of finding prime numbers. |
| Radiant_Primes Visualization of prime numbers resembling an astronomical radiant or celestial pathway. |
| Some_Prime_Numbers Sieves and factoring for small numbers. Download primes below 8 billion. |
| Status_of_Search_for_Multifactorial_Primes An organized search for primes of the form (n)(n-k)(n-2k)...+/-1. Includes table of numbers searched and primes found. |
| Thomas_R__Nicely Includes twin prime counts, tables of first occurrence prime gaps, papers. |
| The_Time_Traveler A group with new propositions in various areas of number theory. |
| Visualizing_the_Distribution_of_Prime_Numbers Investigation into patterns in the distribution of the primes by visualizing them. |
| Wikipedia__Prime_Numbers Index to many prime-related articles. |
| World_of_Numbers__World_of_Palindromic_Primes Records, statistics, curios and puzzles about primes reading the same backwards. Compiled by Patrick De Geest. |
| Bipeds_and_Prime_Numbers Graduation address by former professor of philosophy Garrett Barden. Mentions primes as sign of human curiosity. (September 18, 2001) |
| Chair_of_General_Chemistry,_Altai_State_Technical_University Describes scientific work and educational programs, lists group publications. |
| Department_of_Chemistry Contains online course material and lists faculty members. |
| Earth_Measurement_Corp_ Near-surface geophysical data acquisition, processing and interpretation. |
| Electro-Seise,_Inc_ 3D airborne micro gravity/E surveys for subsurface hydrocarbons. |
| Fairfield_Industries_Incorporated Fairfield is a geophysical company known for its development and use of advanced technology for acquisition and processing, and its licensing of seismic data. |
| G_A__Ryzhikov_and_M_S__Biryulina,_Consultants Special processing for traditional marine data using "Partial Synergetic Imaging-", or PSI-criterion. |
| Getech Geophysical contractor providing gravity and magnetic services and products to the international oil and mining industry. Offices in Leeds and Houston. |
| Gibson_Consulting Interpretation of gravity & magnetics for hydrocarbon exploration. |
| Input_Output,_Inc_ Provider of land, marine and reservoir seismic instrumentation. Includes comprehensive data sheets. |
| Interactive_Interpretation_&_Training,_Inc_ Outsourcing geoscience for the upstream petroleum industry: geophysics, geology, petroleum engineering, geochemistry, workstation rental. Landmark and GeoQuest software. |
| JGI,_Inc_ Acquisition of seismic and other geophysical data, geothermal surveys and remote sensing. Japan based. |
| Meridian_Surveys Survey and geophysical consultants to the oil and gas industry. |
| Montason_Exploration_Inc_ Geophysical acquisition, processing and interpretation. Electromagnetic technology produces virtual subsurface conductivity log. |
| Oilsearch_Plc_-_Airborne_Geophysical_Oil_Survey_Company Airborne geophysical oil survey company specialising in remote fluorescence sensing and magnetic data recovery. |
| PGS_Geophysical Onshore and marine seismic acquisition and analysis. Reservoir imaging, characterization and monitoring. Multiclient 3D data library. |
| Reid_Geophysics Offering gravity and magnetic survey specification, processing and interpretation. Proprietary software. |
| RGR__Method_of_Effective_Specular_Points A novel approach to Reflector Geometry Reconstruction: proper assimilation of prestacked multioffset traveltimes, macro-model-independent seismic reflection (depth) imaging. |
| Seismic_Consultants_Group_Pty__Ltd_ Seismic Consultants Group (SCG) provides personnel for field supervision and quality control of geophysical surveys to the oil and gas exploration industry worldwide |
| Seismic_Imaging_Research Research reports on subsalt imaging, depth migration, velocity model building, seismic modeling, converted mode energy and overpressure prediction. |
