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the fifteenth triangular number, as well as the sum of the first eight triangular numbers, making it also a tetrahedral number. 120 is the smallest number to appear six times in Pascal's triangle (as all triangular and tetragonal numbers appear in it).
120 is divisible by the number of prime numbers below it (there are 30 prime numbers below 120). The sum of Euler's totient function φ ( x) of its first nineteen integers is 120. Each angles of a regular hexagon (one where all sides and all angles are equal) are all 120 degrees.
Your guide to the number 120, an even composite number composed of three distinct primes. Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun.
120 (one hundred [and] twenty) is the natural number following 119 and preceding 121. 120 is the factorial of 5, i.e., 5 × 4 × 3 × 2 × 1 {\displaystyle 5\times 4\times 3\times 2\times 1} . the fifteenth triangular number, as well as the sum of the first eight triangular numbers, making it also a...
Factors of 120 are those numbers that divide 120 completely without leaving any remainder. There are 16 factors of 120 among which 120 is the biggest factor and 2, 3 and 5 are its prime factors. The prime factorization of 120 can be done by multiplying all its prime factors such that the product is 120.
Count to 120, starting at any number less than 120. Given a two-digit number, mentally find 10 more or 10 less than the number. Subtract multiples of 10.
120 is an even three-digits composite number following 119 and preceding 121. In scientific notation, it is written as 1.2 × 10 2 . The sum of its digits is 3.
