The Number

121545

One Hundred and Twenty-One Thousand Five Hundred and Forty-Five

In Base 21 Unovigesimal Is

d2ci21

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

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

Nearby Numbers

Positive, nonzero integers within three units

121542
d2cf21
One Hundred and Twenty-One Thousand Five Hundred and Forty-Two in Base 21 Unovigesimal
121543
d2cg21
One Hundred and Twenty-One Thousand Five Hundred and Forty-Three in Base 21 Unovigesimal
121544
d2ch21
One Hundred and Twenty-One Thousand Five Hundred and Forty-Four in Base 21 Unovigesimal
121546
d2cj21
One Hundred and Twenty-One Thousand Five Hundred and Forty-Six in Base 21 Unovigesimal
121547
d2ck21
One Hundred and Twenty-One Thousand Five Hundred and Forty-Seven in Base 21 Unovigesimal
121548
d2d021
One Hundred and Twenty-One Thousand Five Hundred and Forty-Eight in Base 21 Unovigesimal

Scientific Notation

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

1.21545e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ccd60063cf5221

The reciprocal of 121545 in Base 21 Unovigesimal.

Palindrome?

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

The number d2ci21 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 five hundred and forty-five is a composite number with 24 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 five hundred and forty-five is a composite number with 24 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 five hundred and forty-five has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal
73
3a21
Seventy-Three in Base 21 Unovigesimal

Prime Factorization

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

3212 · 5211 · 1g211 · 3a211 = d2ci21

Base Conversions

The number one hundred and twenty-one thousand five hundred and forty-five in 35 different bases