Number 28081

28081 is prime.

28081 prime factorization is 28081¹

28081 prime factorization is 28081

Divisors (2): 1, 28081

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Properties#

28081 is 1403rd additive prime because sum of its digits is 19 which is also prime
28081 is 493rd happy prime
28081 is 2172nd isolated prime
28081 is 3063rd prime
28081 is 1526th pythagorean prime
28081 is part of 905th sexy prime {28081, 28087}
28081 is 234th ulam prime

External#

Neighbours#

28069₆	28070	28071	28072	28073₁
28074	28075	28076	28077	28078
28079₁	28080	28081₇	28082	28083
28084	28085	28086	28087₅	28088
28089	28090	28091₁	28092	28093₁

Compare with#

28069₆	28070	28071	28072	28073₁
28074	28075	28076	28077	28078
28079₁	28080	28081₇	28082	28083
28084	28085	28086	28087₅	28088
28089	28090	28091₁	28092	28093₁

Different Representations#

28081 in base 2 is 110110110110001₂
28081 in base 3 is 1102112001₃
28081 in base 4 is 12312301₄
28081 in base 5 is 1344311₅
28081 in base 6 is 334001₆
28081 in base 7 is 144604₇
28081 in base 8 is 66661₈
28081 in base 9 is 42461₉
28081 in base 10 is 28081₁₀
28081 in base 11 is 1a109₁₁
28081 in base 12 is 14301₁₂
28081 in base 13 is ca21₁₃
28081 in base 14 is a33b₁₄
28081 in base 15 is 84c1₁₅
28081 in base 16 is 6db1₁₆

Belongs Into#

28081 belongs into first 1000 additive primes.
28081 belongs into first 500 happy primes.
28081 belongs into first 1000 isolated primes.
28081 belongs into first 1000 primes.
28081 belongs into first 1000 pythagorean primes.
28081 belongs into first 1000 sexy primes.
28081 belongs into first 500 ulam primes.

As Timestamp#

0 + 1 * 28081: Convert timestamp 28081 to date is 1970-01-01 07:48:01
0 + 1000 * 28081: Convert timestamp 28081000 to date is 1970-11-22 00:16:40
1300000000 + 1000 * 28081: Convert timestamp 1328081000 to date is 2012-02-01 07:23:20
1400000000 + 1000 * 28081: Convert timestamp 1428081000 to date is 2015-04-03 17:10:00
1500000000 + 1000 * 28081: Convert timestamp 1528081000 to date is 2018-06-04 02:56:40
1600000000 + 1000 * 28081: Convert timestamp 1628081000 to date is 2021-08-04 12:43:20
1700000000 + 1000 * 28081: Convert timestamp 1728081000 to date is 2024-10-04 22:30:00

You May Also Ask#

Smaller than 28081#

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