Number 20399

20399 is prime.

20399 prime factorization is 20399¹

20399 prime factorization is 20399

Divisors (2): 1, 20399

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Properties#

20399 is 1071st additive prime because sum of its digits is 23 which is also prime
20399 is 1133rd chen prime
20399 is 1614th isolated prime
20399 is 2305th prime
20399 is part of 705th sexy prime {20393, 20399}
20399 is 169th ulam prime

External#

Neighbours#

20387	20388	20389₅	20390	20391
20392	20393₁₁	20394	20395₁	20396
20397	20398	20399₆	20400	20401₁
20402	20403	20404	20405	20406
20407₆	20408	20409₁	20410	20411₇

Compare with#

20387	20388	20389₅	20390	20391
20392	20393₁₁	20394	20395₁	20396
20397	20398	20399₆	20400	20401₁
20402	20403	20404	20405	20406
20407₆	20408	20409₁	20410	20411₇

Different Representations#

20399 in base 2 is 100111110101111₂
20399 in base 3 is 1000222112₃
20399 in base 4 is 10332233₄
20399 in base 5 is 1123044₅
20399 in base 6 is 234235₆
20399 in base 7 is 113321₇
20399 in base 8 is 47657₈
20399 in base 9 is 30875₉
20399 in base 10 is 20399₁₀
20399 in base 11 is 14365₁₁
20399 in base 12 is b97b₁₂
20399 in base 13 is 9392₁₃
20399 in base 14 is 7611₁₄
20399 in base 15 is 609e₁₅
20399 in base 16 is 4faf₁₆

Belongs Into#

20399 belongs into first 1000 additive primes.
20399 belongs into first 1000 chen primes.
20399 belongs into first 1000 isolated primes.
20399 belongs into first 1000 primes.
20399 belongs into first 1000 sexy primes.
20399 belongs into first 500 ulam primes.

As Timestamp#

0 + 1 * 20399: Convert timestamp 20399 to date is 1970-01-01 05:39:59
0 + 1000 * 20399: Convert timestamp 20399000 to date is 1970-08-25 02:23:20
1300000000 + 1000 * 20399: Convert timestamp 1320399000 to date is 2011-11-04 09:30:00
1400000000 + 1000 * 20399: Convert timestamp 1420399000 to date is 2015-01-04 19:16:40
1500000000 + 1000 * 20399: Convert timestamp 1520399000 to date is 2018-03-07 05:03:20
1600000000 + 1000 * 20399: Convert timestamp 1620399000 to date is 2021-05-07 14:50:00
1700000000 + 1000 * 20399: Convert timestamp 1720399000 to date is 2024-07-08 00:36:40

You May Also Ask#

Smaller than 20399#

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