Number 139981

139981 is prime.

139981 prime factorization is 139981¹

139981 prime factorization is 139981

Divisors (2): 1, 139981

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Properties#

139981 is 5370th additive prime because sum of its digits is 31 which is also prime
139981 is 4884th harmonic prime
139981 is 9792nd isolated prime
139981 is 4860th long prime
139981 is 13007th prime
139981 is 6478th pythagorean prime
139981 is part of 3204th sexy prime {139981, 139987}
139981 is 1550th super prime because its 13007th prime
139981 is 915th ulam prime

External#

Neighbours#

139969₇	139970	139971	139972	139973
139974	139975	139976	139977	139978
139979₁	139980	139981₉	139982₁	139983
139984	139985₁	139986	139987₆	139988
139989₁	139990	139991₆	139992	139993

Compare with#

Different Representations#

139981 in base 2 is 100010001011001101₂
139981 in base 3 is 21010000111₃
139981 in base 4 is 202023031₄
139981 in base 5 is 13434411₅
139981 in base 6 is 3000021₆
139981 in base 7 is 1122052₇
139981 in base 8 is 421315₈
139981 in base 9 is 233014₉
139981 in base 10 is 139981₁₀
139981 in base 11 is 96196₁₁
139981 in base 12 is 69011₁₂
139981 in base 13 is 4b93a₁₃
139981 in base 14 is 39029₁₄
139981 in base 15 is 2b721₁₅
139981 in base 16 is 222cd₁₆

Belongs Into#

139981 belongs into first 1000 additive primes.
139981 belongs into first 1000 harmonic primes.
139981 belongs into first 1000 isolated primes.
139981 belongs into first 1000 long primes.
139981 belongs into first 1000 primes.
139981 belongs into first 1000 pythagorean primes.
139981 belongs into first 1000 sexy primes.
139981 belongs into first 1000 super primes.
139981 belongs into first 1000 ulam primes.

As Timestamp#

0 + 1 * 139981: Convert timestamp 139981 to date is 1970-01-02 14:53:01
0 + 1000 * 139981: Convert timestamp 139981000 to date is 1974-06-09 03:36:40
1300000000 + 1000 * 139981: Convert timestamp 1439981000 to date is 2015-08-19 10:43:20
1400000000 + 1000 * 139981: Convert timestamp 1539981000 to date is 2018-10-19 20:30:00
1500000000 + 1000 * 139981: Convert timestamp 1639981000 to date is 2021-12-20 06:16:40
1600000000 + 1000 * 139981: Convert timestamp 1739981000 to date is 2025-02-19 16:03:20
1700000000 + 1000 * 139981: Convert timestamp 1839981000 to date is 2028-04-22 01:50:00

You May Also Ask#

Smaller than 139981#

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