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From Wikipedia, the free encyclopedia

← 252  253  254 →
Cardinaltwo hundred fifty-three
Ordinal253rd
(two hundred fifty-third)
Factorization11 × 23
Divisors1, 11, 23, 253
Greek numeralΣΝΓ´
Roman numeralCCLIII
Binary111111012
Ternary1001013
Quaternary33314
Quinary20035
Senary11016
Octal3758
Duodecimal19112
HexadecimalFD16
VigesimalCD20
Base 367136

253 (two hundred [and] fifty-three) is the natural number following 252 and preceding 254.

In mathematics

253 is:

References

  1. ^ Sloane, N. J. A. (ed.). "Sequence A000217 (triangular numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  2. ^ Sloane, N. J. A. (ed.). "Sequence A003154 (Centered 12-gonal numbers. Also star numbers: 6*n*(n-1) + 1)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  3. ^ Sloane, N. J. A. (ed.). "Sequence A069099 (Centered heptagonal numbers. a(n) = (7*n^2 - 7*n + 2)/2)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  4. ^ Sloane, N. J. A. (ed.). "Sequence A060544 (Centered 9-gonal numbers. (3n-1)*(3n-2)/2)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  5. ^ Sloane, N. J. A. (ed.). "Sequence A016105 (Blum integers: numbers of the form p * q where p and q are distinct primes congruent to 3 (mod 4))". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
This page was last edited on 26 March 2018, at 21:17
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