315 (number)

← 314 315 316 →
List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	three hundred fifteen
Ordinal	315th (three hundred fifteenth)
Factorization	32 × 5 × 7
Greek numeral	ΤΙΕ´
Roman numeral	CCCXV, cccxv
Binary	1001110112
Ternary	1022003
Senary	12436
Octal	4738
Duodecimal	22312
Hexadecimal	13B16

315 (three hundred [and] fifteen) is the natural number following 314 and preceding 316.

Mathematical properties

315 = 3²× 5 × 7 = ${\displaystyle D_{7,3}\!}$, rencontres number, highly composite odd number, having 12 divisors. ^[1]

It is a Harshad number, as it is divisible by the sum of its digits. ^[2]

It is a Zuckerman number, as it is divisible by the product of its digits. ^[3]

See also

• 300 (number)#Integers from 301 to 399
• 315 (disambiguation)

References

1. Sloane, N. J. A. (ed.). "SequenceA053624(Highly composite odd numbers (1): where d(n) increases to a record)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
2. Sloane, N. J. A. (ed.). "SequenceA005349(Niven (or Harshad, or harshad) numbers: numbers that are divisible by the sum of their digits.)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
3. Sloane, N. J. A. (ed.). "SequenceA007602(Numbers that are divisible by the product of their digits.)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.