The Number

21247

Twenty-One Thousand Two Hundred and Forty-Seven

In Base 22 Duovigesimal Is

1ljh22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21244
1lje22
Twenty-One Thousand Two Hundred and Forty-Four in Base 22 Duovigesimal
21245
1ljf22
Twenty-One Thousand Two Hundred and Forty-Five in Base 22 Duovigesimal
21246
1ljg22
Twenty-One Thousand Two Hundred and Forty-Six in Base 22 Duovigesimal
21248
1lji22
Twenty-One Thousand Two Hundred and Forty-Eight in Base 22 Duovigesimal
21249
1ljj22
Twenty-One Thousand Two Hundred and Forty-Nine in Base 22 Duovigesimal
21250
1ljk22
Twenty-One Thousand Two Hundred and Fifty in Base 22 Duovigesimal

Scientific Notation

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

2.1247e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000b0c62ehlb09gb22

The reciprocal of 21247 in Base 22 Duovigesimal.

Palindrome?

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

The number 1ljh22 is not a palindrome.

A Prime Number

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

Twenty-one thousand two hundred and forty-seven is the 2388th prime number.   See primes in Base 22 Duovigesimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

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

The number twenty-one thousand two hundred and forty-seven has the following 1 prime factor:

21247
1ljh22
Twenty-One Thousand Two Hundred and Forty-Seven in Base 22 Duovigesimal

Prime Factorization

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

1ljh221 = 1ljh22

Base Conversions

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