Power of four

A power of four is a positive integer of the form 4n for positive n.

All powers of four are powers of two. In fact, all powers of two whose exponent are even are powers of four. All powers of four are square numbers.

Examples
The first 100 powers of four are:

4^1 is equal to 4

4^2 is equal to 16

4^3 is equal to 64

4^4 is equal to 256

4^5 is equal to 1024

4^6 is equal to 4096

4^7 is equal to 16384

4^8 is equal to 65536

4^9 is equal to 262144

4^10 is equal to 1048576

4^11 is equal to 4194304

4^12 is equal to 16777216

4^13 is equal to 67108864

4^14 is equal to 268435456

4^15 is equal to 1073741824

4^16 is equal to 4294967296

4^17 is equal to 17179869184

4^18 is equal to 68719476736

4^19 is equal to 274877906944

4^20 is equal to 1099511627776

4^21 is equal to 4398046511104

4^22 is equal to 17592186044416

4^23 is equal to 70368744177664

4^24 is equal to 281474976710656

4^25 is equal to 1.12589990684262E+15

4^26 is equal to 4.5035996273705E+15

4^27 is equal to 1.8014398509482E+16

4^28 is equal to 7.20575940379279E+16

4^29 is equal to 2.88230376151712E+17

4^30 is equal to 1.15292150460685E+18

4^31 is equal to 4.61168601842739E+18

4^32 is equal to 1.84467440737096E+19

4^33 is equal to 7.37869762948382E+19

4^34 is equal to 2.95147905179353E+20

4^35 is equal to 1.18059162071741E+21

4^36 is equal to 4.72236648286965E+21

4^37 is equal to 1.88894659314786E+22

4^38 is equal to 7.55578637259143E+22

4^39 is equal to 3.02231454903657E+23

4^40 is equal to 1.20892581961463E+24

4^41 is equal to 4.83570327845852E+24

4^42 is equal to 1.93428131138341E+25

4^43 is equal to 7.73712524553363E+25

4^44 is equal to 3.09485009821345E+26

4^45 is equal to 1.23794003928538E+27

4^46 is equal to 4.95176015714152E+27

4^47 is equal to 1.98070406285661E+28

4^48 is equal to 7.92281625142643E+28

4^49 is equal to 3.16912650057057E+29

4^50 is equal to 1.26765060022823E+30

4^51 is equal to 5.07060240091292E+30

4^52 is equal to 2.02824096036517E+31

4^53 is equal to 8.11296384146067E+31

4^54 is equal to 3.24518553658427E+32

4^55 is equal to 1.29807421463371E+33

4^56 is equal to 5.19229685853483E+33

4^57 is equal to 2.07691874341393E+34

4^58 is equal to 8.30767497365572E+34

4^59 is equal to 3.32306998946229E+35

4^60 is equal to 1.32922799578492E+36

4^61 is equal to 5.31691198313966E+36

4^62 is equal to 2.12676479325587E+37

4^63 is equal to 8.50705917302346E+37

4^64 is equal to 3.40282366920938E+38

4^65 is equal to 1.36112946768375E+39

4^66 is equal to 5.44451787073502E+39

4^67 is equal to 2.17780714829401E+40

4^68 is equal to 8.71122859317602E+40

4^69 is equal to 3.48449143727041E+41

4^70 is equal to 1.39379657490816E+42

4^71 is equal to 5.57518629963266E+42

4^72 is equal to 2.23007451985306E+43

4^73 is equal to 8.92029807941225E+43

4^74 is equal to 3.5681192317649E+44

4^75 is equal to 1.42724769270596E+45

4^76 is equal to 5.70899077082384E+45

4^77 is equal to 2.28359630832954E+46

4^78 is equal to 9.13438523331814E+46

4^79 is equal to 3.65375409332726E+47

4^80 is equal to 1.4615016373309E+48

4^81 is equal to 5.84600654932361E+48

4^82 is equal to 2.33840261972944E+49

4^83 is equal to 9.35361047891778E+49

4^84 is equal to 3.74144419156711E+50

4^85 is equal to 1.49657767662684E+51

4^86 is equal to 5.98631070650738E+51

4^87 is equal to 2.39452428260295E+52

4^88 is equal to 9.57809713041181E+52

4^89 is equal to 3.83123885216472E+53

4^90 is equal to 1.53249554086589E+54

4^91 is equal to 6.12998216346356E+54

4^92 is equal to 2.45199286538542E+55

4^93 is equal to 9.80797146154169E+55

4^94 is equal to 3.92318858461668E+56

4^95 is equal to 1.56927543384667E+57

4^96 is equal to 6.27710173538668E+57

4^97 is equal to 2.51084069415467E+58

4^98 is equal to 1.00433627766187E+59

4^99 is equal to 4.01734511064748E+59

4^100 is equal to 1.60693804425899E+60