Total Number of Possible Unique Values per Bit Length

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For reference, a list with the total number of unique values we have in a sequence of N bits. [How to Calculate?]

BitsPermutations
12
24
38
416
532
664
7128
8256
9512
101,024
112,048
124,096
138,192
1416,384
1532,768
1665,536
17131,072
18262,144
19524,288
201,048,576
212,097,152
224,194,304
238,388,608
2416,777,216
2533,554,432
2667,108,864
27134,217,728
28268,435,456
29536,870,912
301,073,741,824
312,147,483,648
324,294,967,296
Number of permutations per number of bits.

Some significant lengths beyond 32:

64 bit: 18446744073709551616.

128 bit: 340282366920938463463374607431768211456.

256 bit: 115792089237316195423570985008687907853269984665640564039457584007913129639936.

512 bit: 13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084096.

1024 bit: 179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216.

2048 bit: 32317006071311007300714876688669951960444102669715484032130345427524655138867890893197201411522913463688717960921898019494119559150490921095088152386448283120630877367300996091750197750389652106796057638384067568276792218642619756161838094338476170470581645852036305042887575891541065808607552399123930385521914333389668342420684974786564569494856176035326322058077805659331026192708460314150258592864177116725943603718461857357598351152301645904403697613233287231227125684710820209725157101726931323469678542580656697935045997268352998638215525166389437335543602135433229604645318478604952148193555853611059596230656.

4096 bit: 1044388881413152506691752710716624382579964249047383780384233483283953907971557456848826811934997558340890106714439262837987573438185793607263236087851365277945956976543709998340361590134383718314428070011855946226376318839397712745672334684344586617496807908705803704071284048740118609114467977783598029006686938976881787785946905630190260940599579453432823469303026696443059025015972399867714215541693835559885291486318237914434496734087811872639496475100189041349008417061675093668333850551032972088269550769983616369411933015213796825837188091833656751221318492846368125550225998300412344784862595674492194617023806505913245610825731835380087608622102834270197698202313169017678006675195485079921636419370285375124784014907159135459982790513399611551794271106831134090584272884279791554849782954323534517065223269061394905987693002122963395687782878948440616007412945674919823050571642377154816321380631045902916136926708342856440730447899971901781465763473223850267253059899795996090799469201774624817718449867455659250178329070473119433165550807568221846571746373296884912819520317457002440926616910874148385078411929804522981857338977648103126085903001302413467189726673216491511131602920781738033436090243804708340403154190336.

Acknowledgements

This article was only possible thanks to Wolfram|Alpha showing me the whole number with all the digits.

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