143 (number)

← 142 143 144 →
← 140 141 142 143 144 145 146 147 148 149 → List of numbers — Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred forty-three
Ordinal	143rd (one hundred and forty-third)
Factorization	11 × 13
Divisors	1, 11, 13, 143
Roman numeral	CXLIII
Binary	100011112
Ternary	120223
Quaternary	20334
Quinary	10335
Senary	3556
Octal	2178
Duodecimal	BB12
Hexadecimal	8F16
Vigesimal	7320
Base 36	3Z36

143 (one hundred [and] forty-three) is the natural number following 142 and preceding 144.

143 is the sum of seven consecutive primes (11 + 13 + 17 + 19 + 23 + 29 + 31). But this number is never the sum of an integer and its base 10 digits, making it a self number.

Every positive integer is the sum of at most 143 seventh powers (see Waring's problem).

143 is the difference in the first exception to the pattern shown below:

143 is also:

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