The Number

1223

One Thousand Two Hundred and Twenty-Three

In Base 31 Untrigesimal Is

18e31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1220
18b31
One Thousand Two Hundred and Twenty in Base 31 Untrigesimal
1221
18c31
One Thousand Two Hundred and Twenty-One in Base 31 Untrigesimal
1222
18d31
One Thousand Two Hundred and Twenty-Two in Base 31 Untrigesimal
1224
18f31
One Thousand Two Hundred and Twenty-Four in Base 31 Untrigesimal
1225
18g31
One Thousand Two Hundred and Twenty-Five in Base 31 Untrigesimal
1226
18h31
One Thousand Two Hundred and Twenty-Six in Base 31 Untrigesimal

Scientific Notation

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

1.223e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00ob3thurqhf731

The reciprocal of 1223 in Base 31 Untrigesimal.

Palindrome?

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

The number 18e31 is not a palindrome.

A Prime Number

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

One thousand two hundred and twenty-three is the 200th prime number.   See primes in Base 31 Untrigesimal

Not A Composite

Composites have more than just these two factors.

One Thousand Two Hundred and Twenty-Three is not a composite number because it has exactly two factors: One and One Thousand Two Hundred and Twenty-Three

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 twenty-three has the following 1 prime factor:

1223
18e31
One Thousand Two Hundred and Twenty-Three in Base 31 Untrigesimal

Prime Factorization

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

18e311 = 18e31

Base Conversions

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