Tagged with powers

#math trivia #249 solution

#math trivia for #September6: #249 follows this pattern: 49 is a 2nd power. What other three-digit numbers also have this pattern? — Burt Kaliski Jr. (@modulomathy) September 7, 2013 Every number is a first power of itself, so 100 through 199 all have the pattern. For the remaining powers: 2nd power —  2 followed by … Continue reading

#math trivia #248 solution

#math trivia for #September5: #248 has three powers of the same number. What other three-digit numbers are similar? (Digits may repeat.) — Burt Kaliski Jr. (@modulomathy) September 6, 2013 In the current example, 2, 4 and 8 are all powers of 2. To see what the others might be, let’s start with the possible “bases” … Continue reading