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Math Puzzles for 2021 Mystery Cache

Hidden : 12/31/2020
Difficulty:
3 out of 5
Terrain:
1.5 out of 5

Size: Size:   small (small)

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Geocache Description:


May the year of 2021 bring you a lot of happiness and smiles.

 

Q1
21 3,7
77 7,11
2021 X,Y
Q2
10 3
202 20
2021 Z
Q3
10! 2
202! 49
2021! V
Q4
10^10 000
202^202 304
2021^2021 W

 

Actual cache coordinates:
N  35° 33.(V+W+21)
E 139° 31.(X+Y+Z+31)

 

Additional Hints (Decrypt)

[Q3] gur ahzore bs pbafrphgvir mrebf [Q4] gur ynfg guerr qvtvgf

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)