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293 (number)

← 292 293 294 →
Cardinaltwo hundred ninety-three
Ordinal293rd
(two hundred ninety-third)
Factorizationprime
Divisors1, 293
Greek numeralΣϞΓ´
Roman numeralCCXCIII, ccxciii
Binary1001001012
Ternary1012123
Senary12056
Octal4458
Duodecimal20512
Hexadecimal12516

293 is the natural number following 292 and preceding 294.

In mathematics

293 is:

References

  1. ^ "Prime number information". mathworld.wolfram.com.
  2. ^ Sloane, N. J. A. (ed.). "Sequence A000040 (The prime numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  3. ^ Sloane, N. J. A. (ed.). "Sequence A002144 (Pythagorean primes: primes of form 4*k + 1)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  4. ^ Sloane, N. J. A. (ed.). "Sequence A005384 (Sophie Germain primes p: 2p+1 is also prime)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  5. ^ Sloane, N. J. A. (ed.). "Sequence A109611 (Chen primes: primes p such that p + 2 is either a prime or a semiprime)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  6. ^ Sloane, N. J. A. (ed.). "Sequence A090467 (Numbers which are not regular figurative or polygonal numbers of order greater than 2. That is, numbers not of the form 1 + k*n(n-1)/2 - (n-1)^2 where n >= 2 and k >= 2)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  7. ^ "Tetradic numbers and tetradic primes". mathworld.wolfram.com.

Information related to 293 (number)

Prefix: a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9

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