Number 18131

18131 is prime.

18131 prime factorization is 18131¹

18131 prime factorization is 18131

Divisors (2): 1, 18131

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Properties#

18131 is 1032nd chen prime
18131 is part of 324th cousin prime {18127, 18131}
18131 is 2078th prime
18131 is part of 157th prime triplet {18127, 18131, 18133}
18131 is 301st sophie germain prime, its corresponding Safe prime is 36263
18131 is part of 320th twin prime {18131, 18133}

External#

Neighbours#

18119₅	18120	18121₇	18122	18123
18124	18125	18126	18127₁₁	18128
18129₁	18130	18131₆	18132	18133₈
18134₁	18135	18136	18137₁	18138
18139	18140	18141₁	18142	18143₆

Compare with#

18119₅	18120	18121₇	18122	18123
18124	18125	18126	18127₁₁	18128
18129₁	18130	18131₆	18132	18133₈
18134₁	18135	18136	18137₁	18138
18139	18140	18141₁	18142	18143₆

Different Representations#

18131 in base 2 is 100011011010011₂
18131 in base 3 is 220212112₃
18131 in base 4 is 10123103₄
18131 in base 5 is 1040011₅
18131 in base 6 is 215535₆
18131 in base 7 is 103601₇
18131 in base 8 is 43323₈
18131 in base 9 is 26775₉
18131 in base 10 is 18131₁₀
18131 in base 11 is 12693₁₁
18131 in base 12 is a5ab₁₂
18131 in base 13 is 8339₁₃
18131 in base 14 is 6871₁₄
18131 in base 15 is 558b₁₅
18131 in base 16 is 46d3₁₆

Belongs Into#

18131 belongs into first 1000 chen primes.
18131 belongs into first 500 cousin primes.
18131 belongs into first 1000 primes.
18131 belongs into first 500 prime triplets.
18131 belongs into first 500 sophie germain primes.
18131 belongs into first 500 twin primes.

As Timestamp#

0 + 1 * 18131: Convert timestamp 18131 to date is 1970-01-01 05:02:11
0 + 1000 * 18131: Convert timestamp 18131000 to date is 1970-07-29 20:23:20
1300000000 + 1000 * 18131: Convert timestamp 1318131000 to date is 2011-10-09 03:30:00
1400000000 + 1000 * 18131: Convert timestamp 1418131000 to date is 2014-12-09 13:16:40
1500000000 + 1000 * 18131: Convert timestamp 1518131000 to date is 2018-02-08 23:03:20
1600000000 + 1000 * 18131: Convert timestamp 1618131000 to date is 2021-04-11 08:50:00
1700000000 + 1000 * 18131: Convert timestamp 1718131000 to date is 2024-06-11 18:36:40

You May Also Ask#

Smaller than 18131#

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