ยท a west arabic numeral, ultimately from indic numerals (compare devanagari เฅฌ (6)). The densest sphere packing of the plane is obtained by extending โ€ฆ This makes 6 the answer to the two-dimensional kissing number problem. Created by teachers, learn how to show 6 in a ten frame. See 6 ยง evolution of the hindu-arabic digit for โ€ฆ Explore the curious properties of number 6, an even composite number composed of two distinct primes. Learn to count up to and down from six. Learn to draw 6 tally marks. 6 is the 2nd superior highly composite number, [6] the 2nd colossally abundant number, [7] the 3rd triangular number, [8] the 4th highly โ€ฆ Includes mathematical info, โ€ฆ See the number 6 โ€ฆ