310 (number)

← 309 310 311 →
List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	three hundred ten
Ordinal	310th (three hundred tenth)
Factorization	2 × 5 × 31
Divisors	1, 2, 5, 10, 31, 62, 155, 310
Greek numeral	ΤΙ´
Roman numeral	CCCX, cccx
Binary	1001101102
Ternary	1021113
Senary	12346
Octal	4668
Duodecimal	21A12
Hexadecimal	13616

310 is the natural number following 309 and preceding 311.

In mathematics

• 310 is an even composite number with 3 prime factors. ^[1]
• 310 is a sphenic number meaning that it has 3 prime factors. ^[2]
• 310 is a noncototient number which means that m − φ(m) = n has no solution for n=310. ^[3]
• 310 is the number of Dyks 11 paths with strictly intersecting peaks. ^[4]
• 310 in base 6 is 1,234.
• The sum of the divisors of 310 is a perfect square. ^[5]

References

1. "Composite numbers". mathworld.wolfram.com.
2. "sphenic number". mathworld.wolfram.com.
3. "noncototient numbers". mathworld.wolfram.com.
4. Sloane, N. J. A. (ed.). "SequenceA008930". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
5. Sloane, N. J. A. (ed.). "SequenceA006532(Numbers whose sum of divisors is a square)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.