The Number

161640

One Hundred and Sixty-One Thousand Six Hundred and Forty

In Base 21 Unovigesimal Is

h9b321

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

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

Nearby Numbers

Positive, nonzero integers within three units

161637
h9b021
One Hundred and Sixty-One Thousand Six Hundred and Thirty-Seven in Base 21 Unovigesimal
161638
h9b121
One Hundred and Sixty-One Thousand Six Hundred and Thirty-Eight in Base 21 Unovigesimal
161639
h9b221
One Hundred and Sixty-One Thousand Six Hundred and Thirty-Nine in Base 21 Unovigesimal
161641
h9b421
One Hundred and Sixty-One Thousand Six Hundred and Forty-One in Base 21 Unovigesimal
161642
h9b521
One Hundred and Sixty-One Thousand Six Hundred and Forty-Two in Base 21 Unovigesimal
161643
h9b621
One Hundred and Sixty-One Thousand Six Hundred and Forty-Three in Base 21 Unovigesimal

Scientific Notation

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

1.61640e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000145cc8kggh6d521

The reciprocal of 161640 in Base 21 Unovigesimal.

Palindrome?

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

The number h9b321 is not a palindrome.

Not A Prime Number

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

One hundred and sixty-one thousand six hundred and forty is a composite number with 48 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and sixty-one thousand six hundred and forty is a composite number with 48 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 one hundred and sixty-one thousand six hundred and forty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
449
10821
Four Hundred and Forty-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

2213 · 3212 · 5211 · 108211 = h9b321

Base Conversions

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