The Number

400661

Four Hundred Thousand Six Hundred and Sixty-One

In Base 21 Unovigesimal Is

215b221

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

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

Nearby Numbers

Positive, nonzero integers within three units

400658
215ak21
Four Hundred Thousand Six Hundred and Fifty-Eight in Base 21 Unovigesimal
400659
215b021
Four Hundred Thousand Six Hundred and Fifty-Nine in Base 21 Unovigesimal
400660
215b121
Four Hundred Thousand Six Hundred and Sixty in Base 21 Unovigesimal
400662
215b321
Four Hundred Thousand Six Hundred and Sixty-Two in Base 21 Unovigesimal
400663
215b421
Four Hundred Thousand Six Hundred and Sixty-Three in Base 21 Unovigesimal
400664
215b521
Four Hundred Thousand Six Hundred and Sixty-Four in Base 21 Unovigesimal

Scientific Notation

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

4.00661e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a416337gda8g21

The reciprocal of 400661 in Base 21 Unovigesimal.

Palindrome?

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

The number 215b221 is not a palindrome.

Not A Prime Number

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

Four hundred thousand six hundred and sixty-one 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.

Four hundred thousand six hundred and sixty-one 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 four hundred thousand six hundred and sixty-one has the following 2 prime factors:

149
7221
One Hundred and Forty-Nine in Base 21 Unovigesimal
2689
62121
Two Thousand Six Hundred and Eighty-Nine in Base 21 Unovigesimal

Prime Factorization

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

72211 · 621211 = 215b221

Base Conversions

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