The Number

206989

Two Hundred and Six Thousand Nine Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

1177d21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Two Hundred and Six Thousand Nine Hundred and Eighty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

206986
1177a21
Two Hundred and Six Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
206987
1177b21
Two Hundred and Six Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
206988
1177c21
Two Hundred and Six Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
206990
1177e21
Two Hundred and Six Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
206991
1177f21
Two Hundred and Six Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
206992
1177g21
Two Hundred and Six Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal

Scientific Notation

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

2.06989e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000jf77hc7gcch821

The reciprocal of 206989 in Base 21 Unovigesimal.

Palindrome?

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

The number 1177d21 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 six thousand nine hundred and eighty-nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and six thousand nine hundred and eighty-nine 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 two hundred and six thousand nine hundred and eighty-nine has the following 2 prime factors:

449
10821
Four Hundred and Forty-Nine in Base 21 Unovigesimal
461
10k21
Four Hundred and Sixty-One in Base 21 Unovigesimal

Prime Factorization

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

108211 · 10k211 = 1177d21

Base Conversions

The number two hundred and six thousand nine hundred and eighty-nine in 35 different bases