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  2. Greater-than sign - Wikipedia

    en.wikipedia.org/wiki/Greater-than_sign

    In mathematical writing, the greater-than sign is typically placed between two values being compared and signifies that the first number is greater than the second number. Examples of typical usage include 1.5 > 1 and 1 > −2. The less-than sign and greater-than sign always "point" to the smaller number.

  3. Aleph number - Wikipedia

    en.wikipedia.org/wiki/Aleph_number

    The set is itself an ordinal number larger than all countable ones, so it is an uncountable set. Therefore, ℵ 1 {\displaystyle \aleph _{1}} is distinct from ℵ 0 {\displaystyle \aleph _{0}} .

  4. Large numbers - Wikipedia

    en.wikipedia.org/wiki/Large_numbers

    [1] [2] Since the customary, traditional (non-technical) ... Graham's number, larger than what can be represented even using power towers . However, it can be ...

  5. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    In global economics, the name of a significantly larger number was used in 2024, when the Russian news outlet RBK stated that the sum of legal claims against Google in Russia totalled 2 undecillion (2 × 10 36) rubles, or US $20 decillion (US $2 × 10 34); a value worth more than all financial assets in the world combined. [14]

  6. Orders of magnitude (power) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(power)

    1.2 × 10 2: tech: electric power output of 1 m 2 solar panel in full sunlight (approx. 12% efficiency), at sea level 1.3 × 10 2: tech: peak power consumption of a Pentium 4 CPU 2 × 10 2: tech: stationary bicycle average power output [17] [18] 2.76 × 10 2: astro: fusion power output of 1 cubic meter of volume of the Sun's core. [19] 2.9 × 10 2

  7. List of prime numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_prime_numbers

    The primes of the form 2n+1 are the odd primes, including all primes other than 2. Some sequences have alternate names: 4 n +1 are Pythagorean primes, 4 n +3 are the integer Gaussian primes, and 6 n +5 are the Eisenstein primes (with 2 omitted).

  8. Skewes's number - Wikipedia

    en.wikipedia.org/wiki/Skewes's_number

    The first estimate for the actual value of a crossover point was given by Lehman (1966), who showed that somewhere between and there are more than consecutive integers with () > ⁡ (). Without assuming the Riemann hypothesis, H. J. J. te Riele ( 1987 ) proved an upper bound of 7 × 10 370 {\displaystyle 7\times 10^{370}} .

  9. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    1.2 cm – length of a bee; 1.2 cm – diameter of a die; 1.5 cm – length of a very large mosquito; 1.6 cm – length of a Jaragua Sphaero, a very small reptile; 1.7 cm – length of a Thorius arboreus, the smallest salamander [111] 2 cm – approximate width of an adult human finger; 2.54 cm – 1 inch; 3.08568 cm – 1 attoparsec