Number 420421

420421 is prime.

420421 prime factorization is 420421¹

420421 prime factorization is 420421

Divisors (2): 1, 420421

Properties#

420421 is 14001st additive prime because sum of its digits is 13 which is also prime
420421 is 35424th prime
420421 is part of 3965th twin prime {420419, 420421}

External#

Neighbours#

420409₁	420410	420411	420412	420413
420414	420415	420416	420417	420418₁
420419₆	420420	420421₃	420422	420423
420424	420425	420426	420427	420428
420429₁	420430	420431	420432	420433₁

Compare with#

Different Representations#

420421 in base 2 is 1100110101001000101₂
420421 in base 3 is 210100201011₃
420421 in base 4 is 1212221011₄
420421 in base 5 is 101423141₅
420421 in base 6 is 13002221₆
420421 in base 7 is 3400501₇
420421 in base 8 is 1465105₈
420421 in base 9 is 710634₉
420421 in base 10 is 420421₁₀
420421 in base 11 is 267961₁₁
420421 in base 12 is 183371₁₂
420421 in base 13 is 119491₁₃
420421 in base 14 is ad301₁₄
420421 in base 15 is 84881₁₅
420421 in base 16 is 66a45₁₆

Belongs Into#

420421 belongs into first 1000 additive primes.
420421 belongs into first 1000 primes.
420421 belongs into first 1000 twin primes.

As Timestamp#

0 + 1 * 420421: Convert timestamp 420421 to date is 1970-01-05 20:47:01
0 + 1000 * 420421: Convert timestamp 420421000 to date is 1983-04-28 23:36:40
1300000000 + 1000 * 420421: Convert timestamp 1720421000 to date is 2024-07-08 06:43:20
1400000000 + 1000 * 420421: Convert timestamp 1820421000 to date is 2027-09-08 16:30:00
1500000000 + 1000 * 420421: Convert timestamp 1920421000 to date is 2030-11-09 02:16:40
1600000000 + 1000 * 420421: Convert timestamp 2020421000 to date is 2034-01-09 12:03:20
1700000000 + 1000 * 420421: Convert timestamp 2120421000 to date is 2037-03-11 21:50:00

You May Also Ask#

Smaller than 420421#

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