Seventy-sevens is equal to \(7 \lfloor 10^{70} / 9\rfloor\), or 70 copies of 7:[1]
- 7,777,777,777,777,777,777,777,777,777,777,777,777,777,777,777,777,777,777,777,777,777,777,777 or metamathematically with interior superscription as \(7^{68}7\)
- googology
Its prime factorization is 7 × 11 × 41 × 71 × 239 × 271 × 4,649 × 9,091 × 123,551 × 909,091 × 4,147,571 × 102,598,800,232,111,471 × 265,212,793,249,617,641.
Approximations[]
Notation | Lower bound | Upper bound |
---|---|---|
Scientific notation | \(7.777\times10^{69}\) | \(7.778\times10^{69}\) |
Arrow notation | \(69\uparrow38\) | \(5\uparrow100\) |
Steinhaus-Moser Notation | 42[3] | 43[3] |
Copy notation | 7[70] | |
Taro's multivariable Ackermann function | A(3,229) | A(3,230) |
Pound-Star Notation | #*(7,10,8,3,0,2)*8 | #*(8,10,8,3,0,2)*8 |
BEAF | {69,38} | {5,100} |
Hyper-E notation | 7E69 | E[5]100 |
Bashicu matrix system | (0)(0)(0)(0)[23344] | (0)(0)(0)(0)[23345] |
Hyperfactorial array notation | 53! | 54! |
Fast-growing hierarchy | \(f_2(224)\) | \(f_2(225)\) |
Hardy hierarchy | \(H_{\omega^2}(224)\) | \(H_{\omega^2}(225)\) |
Slow-growing hierarchy | \(g_{\omega^{38}10}(65)\) | \(g_{\omega^{37}2}(76)\) |
Sources[]
- ↑ Halm, Michael Joseph. neologisms. Archived from the original on 2014-02-19. Retrieved 2018-02-26.
See also[]
beast number · twenty-twos · thirty-threes · forty-fours · fifty-fives · sixty-sixes · seventy-sevens · eighty-eights · ninety-nines
Repunits: twenty-twos · thirty-threes · forty-fours · fifty-fives · sixty-sixes · seventy-sevens · eighty-eights
Googo- series: googoli · googolex · googoc · googoci · googocci · googoccic · googoxem · googolmox · googomump ·
Googoo- series: googool · googoodix
Googgoo- series: googgol · googgool · geegeel · geeggeel · geiggeil · geiggeim
Googolplux series: googolplux · googolpluc · googolplum
Bowers' numbers attempts: Joycian gaggol · Joycian gygol · Joycian gagol · Joyce's tetratri · Joyce's pentatri · Joycian grand tridecal · Joycian dimentri · Joycian dulatri · Joycian trimentri · Joycian decaltrix
Archive André Joyce archive