30240 came from astro
360 days in year
7 day in week
12 month in year
360 x 7 x 12 = 30240
Full ver
2520
360 x 7 = 2520
For complete numerology 30240 will work
2520 will make u stuck in some part of calc
I don't want to upset you, but there are 365 days in a year