In the 15th century, the Italian navigator Columbus discovered the American continent, indicating that the sum of the four numbers of this year is 16, and the tens digit is four times more than the one digit digit 1. Please calculate in which year Columbus discovered the American continent.
15世纪意大利航海家哥伦布发现了美洲大陆，表示这一年的四个数字的和是16，十位数字比个位数字的4倍还多1．请你算一算哥伦布是哪一年发现美洲大陆的．
<result>1_492</result>