|
20233 13+53+33=1+125+27=153 20233 153=13+53+33 20232023073 370=33+73+03 371=33+73+13 407=43+03+73 20232023 2023=14+64+34+44 20239 20238=55+45+75+45+85 202334=56+46+86+86+36+46 2023725=17+77+47+17+77+27+57 20232023=28+48+68+78+88+08+58+18 202320238=19+49+69+59+19+19+29+09+89 10 2023202374=410+610+710+910+310 +010+710+710+710+410 ( Apsimon) 2023202320232023( Randle) 3 9 powerful number | 
