The Number

206661

Two Hundred and Six Thousand Six Hundred and Sixty-One

In Base 20 Vigesimal Is

15gd120

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

206658
15gci20
Two Hundred and Six Thousand Six Hundred and Fifty-Eight in Base 20 Vigesimal
206659
15gcj20
Two Hundred and Six Thousand Six Hundred and Fifty-Nine in Base 20 Vigesimal
206660
15gd020
Two Hundred and Six Thousand Six Hundred and Sixty in Base 20 Vigesimal
206662
15gd220
Two Hundred and Six Thousand Six Hundred and Sixty-Two in Base 20 Vigesimal
206663
15gd320
Two Hundred and Six Thousand Six Hundred and Sixty-Three in Base 20 Vigesimal
206664
15gd420
Two Hundred and Six Thousand Six Hundred and Sixty-Four in Base 20 Vigesimal

Scientific Notation

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

2.06661e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000f9de75e7ad9a820

The reciprocal of 206661 in Base 20 Vigesimal.

Palindrome?

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

The number 15gd120 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 six hundred and sixty-one is a composite number with 16 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Two hundred and six thousand six hundred and sixty-one is a composite number with 16 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 six hundred and sixty-one has the following 4 prime factors:

3
320
Three in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
13
d20
Thirteen in Base 20 Vigesimal
757
1hh20
Seven Hundred and Fifty-Seven in Base 20 Vigesimal

Prime Factorization

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

3201 · 7201 · d201 · 1hh201 = 15gd120

Base Conversions

The number two hundred and six thousand six hundred and sixty-one in 35 different bases