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1022 is a positive integer equal to ten sextillion. It is notable in computer science for being the largest power of ten which can be represented exactly in the double floating-point format (which has a 53-bit significand).

Approximations in other notations Edit

Notation Approximation
Exponentiation $$10^{22}$$ (exact)
Up-arrow notation $$10 \uparrow 22$$ (exact)
Chained arrow notation $$10 \rightarrow 22$$ (exact)
Notation Array Notation $$(10\{1,3\}22)$$ (exact)
Fast-growing hierarchy $$f_2(67)$$
BEAF $$\{10,22\}$$