Number 189989

189989 is prime.

189989 prime factorization is 189989¹

189989 prime factorization is 189989

Divisors (2): 1, 189989

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Properties#

189989 is 7230th chen prime
189989 is 3999th emirps, its corresponding prime is 989981
189989 is 13020th isolated prime
189989 is 6434th long prime
189989 is 17169th prime
189989 is 8567th pythagorean prime
189989 is part of 4112th sexy prime {189983, 189989}
189989 is part of 836th sexy prime triplet {189977, 189983, 189989}
189989 is 1973rd sophie germain prime, its corresponding Safe prime is 379979

External#

Neighbours#

189977₁₁	189978	189979₁	189980	189981
189982	189983₉	189984	189985₁	189986₁
189987	189988	189989₉	189990	189991₁
189992	189993₁	189994	189995	189996
189997₆	189998₁	189999	190000	190001₁

Compare with#

Different Representations#

189989 in base 2 is 101110011000100101₂
189989 in base 3 is 100122121122₃
189989 in base 4 is 232120211₄
189989 in base 5 is 22034424₅
189989 in base 6 is 4023325₆
189989 in base 7 is 1420622₇
189989 in base 8 is 563045₈
189989 in base 9 is 318548₉
189989 in base 10 is 189989₁₀
189989 in base 11 is 11a818₁₁
189989 in base 12 is 91b45₁₂
189989 in base 13 is 68627₁₃
189989 in base 14 is 4d349₁₄
189989 in base 15 is 3b45e₁₅
189989 in base 16 is 2e625₁₆

Belongs Into#

189989 belongs into first 1000 chen primes.
189989 belongs into first 1000 emirpss.
189989 belongs into first 1000 isolated primes.
189989 belongs into first 1000 long primes.
189989 belongs into first 1000 primes.
189989 belongs into first 1000 pythagorean primes.
189989 belongs into first 1000 sexy primes.
189989 belongs into first 1000 sexy prime triplets.
189989 belongs into first 1000 sophie germain primes.

As Timestamp#

0 + 1 * 189989: Convert timestamp 189989 to date is 1970-01-03 04:46:29
0 + 1000 * 189989: Convert timestamp 189989000 to date is 1976-01-08 22:43:20
1300000000 + 1000 * 189989: Convert timestamp 1489989000 to date is 2017-03-20 05:50:00
1400000000 + 1000 * 189989: Convert timestamp 1589989000 to date is 2020-05-20 15:36:40
1500000000 + 1000 * 189989: Convert timestamp 1689989000 to date is 2023-07-22 01:23:20
1600000000 + 1000 * 189989: Convert timestamp 1789989000 to date is 2026-09-21 11:10:00
1700000000 + 1000 * 189989: Convert timestamp 1889989000 to date is 2029-11-21 20:56:40

You May Also Ask#

Smaller than 189989#

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