Number 121997

121997 is prime.

121997 prime factorization is 121997¹

121997 prime factorization is 121997

Divisors (2): 1, 121997

Properties#

121997 is 4722nd additive prime because sum of its digits is 29 which is also prime
121997 is 4978th chen prime
121997 is part of 1430th cousin prime {121993, 121997}
121997 is 8594th isolated prime
121997 is 348th left-truncatable prime
121997 is 11475th prime
121997 is 5707th pythagorean prime
121997 is 32nd restricted left-truncatable prime

External#

Neighbours#

121985	121986	121987₁	121988	121989
121990	121991₁	121992	121993₆	121994
121995	121996	121997₈	121998	121999₁
122000	122001	122002₁	122003	122004
122005	122006	122007	122008	122009₁

Compare with#

Different Representations#

121997 in base 2 is 11101110010001101₂
121997 in base 3 is 20012100102₃
121997 in base 4 is 131302031₄
121997 in base 5 is 12400442₅
121997 in base 6 is 2340445₆
121997 in base 7 is 1015451₇
121997 in base 8 is 356215₈
121997 in base 9 is 205312₉
121997 in base 10 is 121997₁₀
121997 in base 11 is 83727₁₁
121997 in base 12 is 5a725₁₂
121997 in base 13 is 436b5₁₃
121997 in base 14 is 32661₁₄
121997 in base 15 is 26232₁₅
121997 in base 16 is 1dc8d₁₆

Belongs Into#

121997 belongs into first 1000 additive primes.
121997 belongs into first 1000 chen primes.
121997 belongs into first 1000 cousin primes.
121997 belongs into first 1000 isolated primes.
121997 belongs into first 500 left-truncatable primes.
121997 belongs into first 1000 primes.
121997 belongs into first 1000 pythagorean primes.
121997 belongs into first 50 restricted left-truncatable primes.

As Timestamp#

0 + 1 * 121997: Convert timestamp 121997 to date is 1970-01-02 09:53:17
0 + 1000 * 121997: Convert timestamp 121997000 to date is 1973-11-13 00:03:20
1300000000 + 1000 * 121997: Convert timestamp 1421997000 to date is 2015-01-23 07:10:00
1400000000 + 1000 * 121997: Convert timestamp 1521997000 to date is 2018-03-25 16:56:40
1500000000 + 1000 * 121997: Convert timestamp 1621997000 to date is 2021-05-26 02:43:20
1600000000 + 1000 * 121997: Convert timestamp 1721997000 to date is 2024-07-26 12:30:00
1700000000 + 1000 * 121997: Convert timestamp 1821997000 to date is 2027-09-26 22:16:40

You May Also Ask#

Smaller than 121997#

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