Number 991427

991427 is prime.

991427 prime factorization is 991427¹

991427 prime factorization is 991427

Divisors (2): 1, 991427

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Properties#

991427 is 29733rd chen prime
991427 is 77879th prime
991427 is 4295th safe prime, its corresponding Sophie Germain prime is 495713
991427 is part of 8110th twin prime {991427, 991429}

External#

Neighbours#

991415	991416	991417	991418	991419
991420	991421₁	991422	991423	991424
991425	991426₁	991427₄	991428	991429₂
991430	991431	991432	991433₁	991434
991435	991436	991437	991438	991439₁

Compare with#

Different Representations#

991427 in base 2 is 11110010000011000011₂
991427 in base 3 is 1212100222112₃
991427 in base 4 is 3302003003₄
991427 in base 5 is 223211202₅
991427 in base 6 is 33125535₆
991427 in base 7 is 11266313₇
991427 in base 8 is 3620303₈
991427 in base 9 is 1770875₉
991427 in base 10 is 991427₁₀
991427 in base 11 is 617968₁₁
991427 in base 12 is 3b98ab₁₂
991427 in base 13 is 289358₁₃
991427 in base 14 is 1bb443₁₄
991427 in base 15 is 148b52₁₅
991427 in base 16 is f20c3₁₆

Belongs Into#

991427 belongs into first 1000 chen primes.
991427 belongs into first 1000 primes.
991427 belongs into first 1000 safe primes.
991427 belongs into first 1000 twin primes.

As Timestamp#

0 + 1 * 991427: Convert timestamp 991427 to date is 1970-01-12 11:23:47
0 + 1000 * 991427: Convert timestamp 991427000 to date is 2001-06-01 20:23:20
1300000000 + 1000 * 991427: Convert timestamp 2291427000 to date is 2042-08-12 03:30:00
1400000000 + 1000 * 991427: Convert timestamp 2391427000 to date is 2045-10-12 13:16:40
1500000000 + 1000 * 991427: Convert timestamp 2491427000 to date is 2048-12-12 23:03:20
1600000000 + 1000 * 991427: Convert timestamp 2591427000 to date is 2052-02-13 08:50:00
1700000000 + 1000 * 991427: Convert timestamp 2691427000 to date is 2055-04-15 18:36:40

You May Also Ask#

Smaller than 991427#

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