Number 157

157 is prime.

157 prime factorization is 157¹

157 prime factorization is 157

Divisors (2): 1, 157

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Properties#

157 is 21st additive prime because sum of its digits is 13 which is also prime
157 is 30th chen prime
157 is 12th emirps, its corresponding prime is 751
157 is 13th harmonic prime
157 is 14th isolated prime
157 is 37th prime
157 is 17th pythagorean prime
157 is part of 22nd sexy prime {157, 163}
157 is part of 21st sexy prime {151, 157}
157 is part of 12th sexy prime triplet {151, 157, 163}
157 is 12th super prime because its 37th prime

External#

Neighbours#

145₁	146₁	147	148	149₈
150	151₉	152	153	154
155₁	156	157₁₁	158₁	159₁
160	161₁	162	163₇	164
165	166₁	167₁₁	168	169₁

Compare with#

145₁	146₁	147	148	149₈
150	151₉	152	153	154
155₁	156	157₁₁	158₁	159₁
160	161₁	162	163₇	164
165	166₁	167₁₁	168	169₁

Different Representations#

157 in roman numerals is CLVII
157 in base 2 is 10011101₂
157 in base 3 is 12211₃
157 in base 4 is 2131₄
157 in base 5 is 1112₅
157 in base 6 is 421₆
157 in base 7 is 313₇
157 in base 8 is 235₈
157 in base 9 is 184₉
157 in base 10 is 157₁₀
157 in base 11 is 133₁₁
157 in base 12 is 111₁₂
157 in base 13 is c1₁₃
157 in base 14 is b3₁₄
157 in base 15 is a7₁₅
157 in base 16 is 9d₁₆

Belongs Into#

157 belongs into first 50 additive primes.
157 belongs into first 50 chen primes.
157 belongs into first 50 emirpss.
157 belongs into first 50 harmonic primes.
157 belongs into first 50 isolated primes.
157 belongs into first 50 primes.
157 belongs into first 50 pythagorean primes.
157 belongs into first 50 sexy primes.
157 belongs into first 50 sexy primes.
157 belongs into first 50 sexy prime triplets.
157 belongs into first 50 super primes.

As Timestamp#

0 + 1 * 157: Convert timestamp 157 to date is 1970-01-01 00:02:37
0 + 1000 * 157: Convert timestamp 157000 to date is 1970-01-02 19:36:40
1300000000 + 1000 * 157: Convert timestamp 1300157000 to date is 2011-03-15 02:43:20
1400000000 + 1000 * 157: Convert timestamp 1400157000 to date is 2014-05-15 12:30:00
1500000000 + 1000 * 157: Convert timestamp 1500157000 to date is 2017-07-15 22:16:40
1600000000 + 1000 * 157: Convert timestamp 1600157000 to date is 2020-09-15 08:03:20
1700000000 + 1000 * 157: Convert timestamp 1700157000 to date is 2023-11-16 17:50:00

You May Also Ask#

Smaller than 157#

First 157#

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