Number 19421

19421 is prime.

19421 prime factorization is 19421¹

19421 prime factorization is 19421

Divisors (2): 1, 19421

Properties#

19421 is 1021st additive prime because sum of its digits is 17 which is also prime
19421 is 1088th chen prime
19421 is part of 340th cousin prime {19417, 19421}
19421 is 605th emirps, its corresponding prime is 12491
19421 is 254th good prime
19421 is 371st happy prime
19421 is 838th long prime
19421 is 2199th prime
19421 is part of 19th prime quadruplet {19421, 19423, 19427, 19429}
19421 is part of 8th prime quintuplet 1 {19417, 19421, 19423, 19427, 19429}
19421 is part of 6th prime quintuplet 2 {19421, 19423, 19427, 19429, 19433}
19421 is part of 4th prime sextuplet {19417, 19421, 19423, 19427, 19429, 19433}
19421 is part of 165th prime triplet {19421, 19423, 19427}
19421 is part of 164th prime triplet {19417, 19421, 19423}
19421 is 1091st pythagorean prime
19421 is part of 672nd sexy prime {19421, 19427}
19421 is part of 185th sexy prime triplet {19421, 19427, 19433}
19421 is part of 333rd twin prime {19421, 19423}

External#

Neighbours#

19409₁	19410	19411	19412	19413
19414	19415	19416	19417₁₃	19418
19419₁	19420	19421₁₈	19422	19423₁₅
19424	19425	19426	19427₁₇	19428
19429₁₄	19430	19431	19432	19433₁₂

Compare with#

19409₁	19410	19411	19412	19413
19414	19415	19416	19417₁₃	19418
19419₁	19420	19421₁₈	19422	19423₁₅
19424	19425	19426	19427₁₇	19428
19429₁₄	19430	19431	19432	19433₁₂

Different Representations#

19421 in base 2 is 100101111011101₂
19421 in base 3 is 222122022₃
19421 in base 4 is 10233131₄
19421 in base 5 is 1110141₅
19421 in base 6 is 225525₆
19421 in base 7 is 110423₇
19421 in base 8 is 45735₈
19421 in base 9 is 28568₉
19421 in base 10 is 19421₁₀
19421 in base 11 is 13656₁₁
19421 in base 12 is b2a5₁₂
19421 in base 13 is 8abc₁₃
19421 in base 14 is 7113₁₄
19421 in base 15 is 5b4b₁₅
19421 in base 16 is 4bdd₁₆

Belongs Into#

19421 belongs into first 1000 additive primes.
19421 belongs into first 1000 chen primes.
19421 belongs into first 500 cousin primes.
19421 belongs into first 1000 emirpss.
19421 belongs into first 500 good primes.
19421 belongs into first 500 happy primes.
19421 belongs into first 1000 long primes.
19421 belongs into first 1000 primes.
19421 belongs into first 50 prime quadruplets.
19421 belongs into first 10 prime quintuplet 1s.
19421 belongs into first 10 prime quintuplet 2s.
19421 belongs into first 10 prime sextuplets.
19421 belongs into first 500 prime triplets.
19421 belongs into first 500 prime triplets.
19421 belongs into first 1000 pythagorean primes.
19421 belongs into first 1000 sexy primes.
19421 belongs into first 500 sexy prime triplets.
19421 belongs into first 500 twin primes.

As Timestamp#

0 + 1 * 19421: Convert timestamp 19421 to date is 1970-01-01 05:23:41
0 + 1000 * 19421: Convert timestamp 19421000 to date is 1970-08-13 18:43:20
1300000000 + 1000 * 19421: Convert timestamp 1319421000 to date is 2011-10-24 01:50:00
1400000000 + 1000 * 19421: Convert timestamp 1419421000 to date is 2014-12-24 11:36:40
1500000000 + 1000 * 19421: Convert timestamp 1519421000 to date is 2018-02-23 21:23:20
1600000000 + 1000 * 19421: Convert timestamp 1619421000 to date is 2021-04-26 07:10:00
1700000000 + 1000 * 19421: Convert timestamp 1719421000 to date is 2024-06-26 16:56:40

You May Also Ask#

Smaller than 19421#

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