53

53
Basic Information
Cardinal Number	fifty-three
Ordinal Number	fifty third
Roman Numeral	LIII
Greek Numeral	ΝΓ´
Factorization	53
Standard Form	5.3 × 101
Different Representations
Binary Form	1101012
Ternary Form	12223
Quaternary Form	3114
Quinary Form	2035
Senary Form	1256
Septenary Form	1047
Octal Form	658
Nonary Form	589
Undecimal Form	4911
Duodecimal Form	4512
Tridecimal Form	4113
Quattuordecimal Form	3B14
Quindecimal Form	3815
Hexadecimal Form	3516
Septendecimal Form	3217
Octodecimal Form	2H18
Novemdecimal Form	2F19
Vigesimal Form	2D20
Unvigesimal Form	2B21
Duovigesimal Form	2922
Trevigesimal Form	2723
Quattuorvigesimal Form	2524
Quinvigesimal Form	2325
Hexavigesimal Form	2126
Septenvigesimal Form	1Q27
Octovigesimal Form	1P28
Novemvigesimal Form	1O29
Trigesimal Form	1N30
Untrigesimal Form	1M31
Duotrigesimal Form	1L32
Tretrigesimal Form	1K33
Quattuortrigesimal Form	1J34
Quintrigesimal Form	1I35
Hexatrigesimal Form	1H36
Previous	47
Current	53
Next	59

53 is a prime number from 1-100. 53 has 2 factors, 1 and 53. It is the sixteenth prime number, and the sixteenth prime number from 1-100.

Proofs

• — 53 can be divided by 1.

• — 53 cannot be divided by 2-52.

• — 53 can be divided by 53.

Relationship with other odd numbers

The numbers before

• The previous odd number, 51, is not a prime number. It can be factored into 3 x 17.
• The odd number previous to 51 is 49. 49 is not a prime number. It is the square number, being 7² = 49.
• The odd number previous to 49 is 47. 47 is a prime number.
  • 47 and 53 are six numbers apart; therefore, they are sexy primes.

The numbers after

• The next odd number, 55, is not a prime number. It is divisible by 5 and 11.
• 57, the odd number following 55, is also not a prime number. It is divisible by 3 and 19.
• 59, the odd number following 57, is a prime number.
  • 53 and 59 are six numbers apart; therefore, they are sexy primes.

Prime Numbers 1-1,000