Perfect Square
642061448120728457312429930847610225 is a perfect square (801287369250712985 × 801287369250712985)
642061448120728457312429930847610225 is a perfect square (801287369250712985 × 801287369250712985)
642061448120728457312429930847610225 is odd
Previous odd number is 642061448120728457312429930847610223
Next odd number is 642061448120728457312429930847610227
11110111010100000010010110011011000000100110000001010111001010010010101110001001010001110000101111000110010010101110001
264685275382256379929230884312669159182957664875153673566870715330469783360349919324750502302659148280140625
412242903162886880248225260002152192847521430892788157246511593524550625