Number 1223

1223 is prime.

1223 prime factorization is 1223¹

1223 prime factorization is 1223

Divisors (2): 1, 1223

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Properties#

1223 is 54th emirps, its corresponding prime is 3221
1223 is 70th harmonic prime
1223 is 119th isolated prime
1223 is 55th left-truncatable prime
1223 is 77th long prime
1223 is 200th prime
1223 is part of 87th sexy prime {1223, 1229}
1223 is part of 86th sexy prime {1217, 1223}
1223 is part of 33rd sexy prime triplet {1217, 1223, 1229}
1223 is 43rd sophie germain prime, its corresponding Safe prime is 2447

External#

Neighbours#

1211₁	1212	1213₇	1214₁	1215
1216	1217₁₂	1218	1219₁	1220
1221	1222	1223₁₀	1224	1225
1226₁	1227₁	1228	1229₉	1230
1231₆	1232	1233	1234₁	1235

Compare with#

1211₁	1212	1213₇	1214₁	1215
1216	1217₁₂	1218	1219₁	1220
1221	1222	1223₁₀	1224	1225
1226₁	1227₁	1228	1229₉	1230
1231₆	1232	1233	1234₁	1235

Different Representations#

1223 in roman numerals is MCCXXIII
1223 in base 2 is 10011000111₂
1223 in base 3 is 1200022₃
1223 in base 4 is 103013₄
1223 in base 5 is 14343₅
1223 in base 6 is 5355₆
1223 in base 7 is 3365₇
1223 in base 8 is 2307₈
1223 in base 9 is 1608₉
1223 in base 10 is 1223₁₀
1223 in base 11 is a12₁₁
1223 in base 12 is 85b₁₂
1223 in base 13 is 731₁₃
1223 in base 14 is 635₁₄
1223 in base 15 is 568₁₅
1223 in base 16 is 4c7₁₆

Belongs Into#

1223 belongs into first 100 emirpss.
1223 belongs into first 100 harmonic primes.
1223 belongs into first 500 isolated primes.
1223 belongs into first 100 left-truncatable primes.
1223 belongs into first 100 long primes.
1223 belongs into first 500 primes.
1223 belongs into first 100 sexy primes.
1223 belongs into first 100 sexy primes.
1223 belongs into first 50 sexy prime triplets.
1223 belongs into first 50 sophie germain primes.

As Timestamp#

0 + 1 * 1223: Convert timestamp 1223 to date is 1970-01-01 00:20:23
0 + 1000 * 1223: Convert timestamp 1223000 to date is 1970-01-15 03:43:20
1300000000 + 1000 * 1223: Convert timestamp 1301223000 to date is 2011-03-27 10:50:00
1400000000 + 1000 * 1223: Convert timestamp 1401223000 to date is 2014-05-27 20:36:40
1500000000 + 1000 * 1223: Convert timestamp 1501223000 to date is 2017-07-28 06:23:20
1600000000 + 1000 * 1223: Convert timestamp 1601223000 to date is 2020-09-27 16:10:00
1700000000 + 1000 * 1223: Convert timestamp 1701223000 to date is 2023-11-29 01:56:40

You May Also Ask#

Smaller than 1223#

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