The Number

1243

One Thousand Two Hundred and Forty-Three

In Base 11 Undecimal Is

a3011

The numbers with a 11 subscript use Base 11 Undecimal notation.

For more familiar numbers: See One Thousand Two Hundred and Forty-Three in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1240
a2811
One Thousand Two Hundred and Forty in Base 11 Undecimal
1241
a2911
One Thousand Two Hundred and Forty-One in Base 11 Undecimal
1242
a2a11
One Thousand Two Hundred and Forty-Two in Base 11 Undecimal
1244
a3111
One Thousand Two Hundred and Forty-Four in Base 11 Undecimal
1245
a3211
One Thousand Two Hundred and Forty-Five in Base 11 Undecimal
1246
a3311
One Thousand Two Hundred and Forty-Six in Base 11 Undecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.243e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00108625927a89495a11

The reciprocal of 1243 in Base 11 Undecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number a3011 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One thousand two hundred and forty-three is a composite number with 4 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

One thousand two hundred and forty-three is a composite number with 4 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one thousand two hundred and forty-three has the following 2 prime factors:

11
1011
Eleven in Base 11 Undecimal
113
a311
One Hundred and Thirteen in Base 11 Undecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

10111 · a3111 = a3011

Base Conversions

The number one thousand two hundred and forty-three in 35 different bases