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As no smaller number has more than 12 divisors, 72 is a largely composite number. [6] 72 has an Euler totient of 24. [7] It is a highly totient number, as there are 17 solutions to the equation φ(x) = 72, more than any integer under 72. [8] It is equal to the sum of its preceding smaller highly totient numbers 24 and 48, and contains the first ...
For example, 20 apples divide into five groups of four apples, meaning that "twenty divided by five is equal to four". This is denoted as 20 / 5 = 4, or 20 / 5 = 4. [2] In the example, 20 is the dividend, 5 is the divisor, and 4 is the quotient.
72: The smallest base greater than binary such that no three-digit narcissistic number exists. 80: Octogesimal: Used as a sub-base in Supyire. 85: Ascii85 encoding. This is the minimum number of characters needed to encode a 32 bit number into 5 printable characters in a process similar to MIME-64 encoding, since 85 5 is only slightly bigger ...
The natural log of 2 is 0.693147, so when you solve for t using those natural logarithms, you get t = 0.693147/r.. The actual results aren’t round numbers and are closer to 69.3, but 72 easily ...
d() is the number of positive divisors of n, including 1 and n itself; σ() is the sum of the positive divisors of n, including 1 and n itselfs() is the sum of the proper divisors of n, including 1 but not n itself; that is, s(n) = σ(n) − n
85 (The original number) 8 5 (Take the last digit of the number, and check if it is 0 or 5) 8 5 (If it is 5, take the remaining digits, discarding the last) 8 × 2 = 16 (Multiply the result by 2) 16 + 1 = 17 (Add 1 to the result) 85 ÷ 5 = 17 (The result is the same as the original number divided by 5)
The world of investing can be confusing even for seasoned players, but one simple number can make it easy to predict how your money might grow over time. It's known as the rule of 72, a formula ...
The Federal Reserve’s 25 basis point cut to benchmark interest rates last week had little effect on mortgage rates because the move was widely anticipated.