The Number

121660

One Hundred and Twenty-One Thousand Six Hundred and Sixty

In Base 21 Unovigesimal Is

d2i721

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

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

Nearby Numbers

Positive, nonzero integers within three units

121657
d2i421
One Hundred and Twenty-One Thousand Six Hundred and Fifty-Seven in Base 21 Unovigesimal
121658
d2i521
One Hundred and Twenty-One Thousand Six Hundred and Fifty-Eight in Base 21 Unovigesimal
121659
d2i621
One Hundred and Twenty-One Thousand Six Hundred and Fifty-Nine in Base 21 Unovigesimal
121661
d2i821
One Hundred and Twenty-One Thousand Six Hundred and Sixty-One in Base 21 Unovigesimal
121662
d2i921
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Two in Base 21 Unovigesimal
121663
d2ia21
One Hundred and Twenty-One Thousand Six Hundred and Sixty-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.

1.21660e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001cbk5hichbad721

The reciprocal of 121660 in Base 21 Unovigesimal.

Palindrome?

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

The number d2i721 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 twenty-one thousand six hundred and sixty 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 twenty-one thousand six hundred and sixty 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 twenty-one thousand six hundred and sixty has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
79
3g21
Seventy-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

2212 · 5211 · 7211 · b211 · 3g211 = d2i721

Base Conversions

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