247 (number)

Short description: Natural number

← 246 247 248 →
← 240 241 242 243 244 245 246 247 248 249 → List of numbers — Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	two hundred forty-seven
Ordinal	247th (two hundred forty-seventh)
Factorization	13 × 19
Greek numeral	ΣΜΖ´
Roman numeral	CCXLVII
Binary	111101112
Ternary	1000113
Quaternary	33134
Quinary	14425
Senary	10516
Octal	3678
Duodecimal	18712
Hexadecimal	F716
Vigesimal	C720
Base 36	6V36

247 (two hundred [and] forty-seven) is the natural number following 246 and preceding 248.

Additionally, 247 is:

• a semiprime.
• a brilliant number (the product of two primes with the same number of digits).
• a pentagonal number.
• palindromic in base 18 (DD₁₈).
• a Harshad number in bases 10, 14, 19, 20, 27, 39, 40, 58, 77, 79, 115, 118, 229 and 235.
• the smallest number which can be expressed as the difference between two integers that contain together all the decimal digits 0–9. i.e. 247 = 50123 - 49876.