The Number

209990

Two Hundred and Nine Thousand Nine Hundred and Ninety

In Base 31 Untrigesimal Is

71fr31

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

For more familiar numbers: See Two Hundred and Nine Thousand Nine Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

209987
71fo31
Two Hundred and Nine Thousand Nine Hundred and Eighty-Seven in Base 31 Untrigesimal
209988
71fp31
Two Hundred and Nine Thousand Nine Hundred and Eighty-Eight in Base 31 Untrigesimal
209989
71fq31
Two Hundred and Nine Thousand Nine Hundred and Eighty-Nine in Base 31 Untrigesimal
209991
71fs31
Two Hundred and Nine Thousand Nine Hundred and Ninety-One in Base 31 Untrigesimal
209992
71ft31
Two Hundred and Nine Thousand Nine Hundred and Ninety-Two in Base 31 Untrigesimal
209993
71fu31
Two Hundred and Nine Thousand Nine Hundred and Ninety-Three in Base 31 Untrigesimal

Scientific Notation

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

2.09990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0004cacl9abfcq31

The reciprocal of 209990 in Base 31 Untrigesimal.

Palindrome?

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

The number 71fr31 is not a palindrome.

Not A Prime Number

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

Two hundred and nine thousand nine hundred and ninety is a composite number with 32 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Two hundred and nine thousand nine hundred and ninety is a composite number with 32 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 two hundred and nine thousand nine hundred and ninety has the following 5 prime factors:

2
231
Two in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
11
b31
Eleven in Base 31 Untrigesimal
23
n31
Twenty-Three in Base 31 Untrigesimal
83
2l31
Eighty-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

2311 · 5311 · b311 · n311 · 2l311 = 71fr31

Base Conversions

The number two hundred and nine thousand nine hundred and ninety in 35 different bases