## FANDOM

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Not to be confused with nonillion.

The nanillion is equal to $$10^{3\left(10^{9}\right)+3}$$, or $$10^{3\text{ billion }3}$$.[1] The term was coined by Jonathan Bowers. In the long scale, it has 6 billion zeroes.

### Etymology Edit

The name of this number is based on the suffix "-illion" and SI prefix "nano-".

### Approximations in other notationsEdit

Notation Lower bound Upper bound
Scientific notation $$1\times10^{3\,000\,000\,003}$$
Arrow notation $$10\uparrow3\,000\,000\,003$$
Down-arrow notation $$1000\downarrow\downarrow4$$ $$15\downarrow\downarrow9$$
Steinhaus-Moser Notation 8[3][3] 9[3][3]
Copy notation 2[2[10]] 3[3[10]]
Chained arrow notation $$10\rightarrow3\,000\,000\,003$$
H* function H(H(2))
Taro's multivariable Ackermann function A(3,A(3,30)) A(3,A(3,31))
Pound-Star Notation #*((1))*18396 #*((1))*18397
BEAF {10,3000000003}
Hyper-E notation E3000000003
Bashicu matrix system (0)(1)[29] (0)(1)[30]
Hyperfactorial array notation (11!)! (12!)!
Fast-growing hierarchy $$f_2(f_2(28))$$ $$f_2(f_2(29))$$
Hardy hierarchy $$H_{\omega^22}(28)$$ $$H_{\omega^22}(29)$$
Slow-growing hierarchy $$g_{\omega^{\omega^93+3}}(10)$$

### Sources Edit

1. Illion Numbers by Jonathan Bowers