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The Fibonamega, coined by SuperJedi224, is equal to the millionth term of the Fibonacci sequence, starting with the first one.

It has exactly 208,988 digits.

Its prime factorization starts with 3 × 56 × 7 × 11 × 41 × 47 × 101 × 151 × 251 × 401 × 641 × 1,087 × 1,601 × 2,161 × 2,207 × 3,001 × 3,041 × 4,001 × 4,481 × 9,601 × …

ApproximationsEdit

Notation Lower bound Upper bound
Scientific notation $$1.953\times10^{208987}$$ $$1.954\times10^{208987}$$
Arrow notation $$2201\uparrow62522$$ $$802\uparrow71961$$
Steinhaus-Moser Notation 5[3][3] 6[3][3]
Copy notation 1[1[6]] 2[2[6]]
Taro's multivariable Ackermann function A(3,A(3,16)) A(3,A(3,17))
Pound-Star Notation #*((1))*206 #*((2))*206
BEAF {2201,62522} {802,71961}
Hyper-E notation E208987 2E208987
Bashicu matrix system (0)(1)[16] (0)(1)[17]
Hyperfactorial array notation (8!)! (9!)!
Fast-growing hierarchy $$f_2(f_2(15))$$ $$f_2(f_2(16))$$
Hardy hierarchy $$H_{\omega^22}(15)$$ $$H_{\omega^22}(16)$$
Slow-growing hierarchy $$g_{\omega^{\omega^32+\omega^28+\omega13+37}9}(39)$$ $$g_{\omega^{\omega^3+\omega^236+\omega3+21}14}(41)$$