239

239
Basic Information
Cardinal Number	two hundred and thirty-nine
Ordinal Number	two hundred and thirty ninth
Roman Numeral	CCXXXIX
Greek Numeral	ΣΛΘ´
Factorization	239
Different Representations
Binary Form	111011112
Ternary Form	222123
Quaternary Form	32334
Quinary Form	14245
Senary Form	10356
Septenary Form	4617
Octal Form	3578
Nonary Form	2859
Undecimal Form	1A811
Duodecimal Form	17B12
Tridecimal Form	15513
Quattuordecimal Form	13114
Quindecimal Form	10E15
Hexadecimal Form	EF16
Septendecimal Form	E117
Octodecimal Form	D518
Novemdecimal Form	CB19
Vigesimal Form	BJ20
Unvigesimal Form	B821
Duovigesimal Form	AJ22
Trevigesimal Form	A923
Quattuorvigesimal Form	9N24
Quinvigesimal Form	9E25
Hexavigesimal Form	9526
Septenvigesimal Form	8N27
Octovigesimal Form	8F28
Novemvigesimal Form	8729
Trigesimal Form	7T30
Untrigesimal Form	7M31
Duotrigesimal Form	7F32
Tretrigesimal Form	7833
Quattuortrigesimal Form	7134
Quintrigesimal Form	6T35
Hexatrigesimal Form	6N36
Previous	233
Current	239
Next	241

239 is a prime number from 201-300. 239 has 2 factors, 1 and 239. It is the 52nd prime number, and the sixth prime number from 201-300.

Proofs

• — 239 can be divided by 1.

• — 239 cannot be divided by 2-238.

• — 239 can be divided by 239.

As an Exponent of Mersenne Number

2²³⁹ - 1 is divisible by numbers such as 479, 1,913, 5,737, 176,383, and 134,000,609, and is therefore not a prime number.

Relationship with other odd numbers

The numbers before

• The previous prime number is 233.
  • 233 and 239 are six numbers apart; therefore, they are sexy primes.
• The previous prime number before 233 is 229.
  • Notably, 231 is divisible by 11 and therefore not a prime number.
  • 237 is divisible by 3.

The numbers after

• The next prime number is 241.
  • There are no odd numbers between 239 and 241. As a result, they are twin primes.
• 251 is the next prime number after 241.
  • Notably, 243 is the fifth power of 3, 247 can be factored as 13 x 19, and 249 is divisible by 3.

Prime Numbers 1-1,000