The Number

121380

One Hundred and Twenty-One Thousand Three Hundred and Eighty

In Base 15 Quindecimal Is

25e7015

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

121377
25e6c15
One Hundred and Twenty-One Thousand Three Hundred and Seventy-Seven in Base 15 Quindecimal
121378
25e6d15
One Hundred and Twenty-One Thousand Three Hundred and Seventy-Eight in Base 15 Quindecimal
121379
25e6e15
One Hundred and Twenty-One Thousand Three Hundred and Seventy-Nine in Base 15 Quindecimal
121381
25e7115
One Hundred and Twenty-One Thousand Three Hundred and Eighty-One in Base 15 Quindecimal
121382
25e7215
One Hundred and Twenty-One Thousand Three Hundred and Eighty-Two in Base 15 Quindecimal
121383
25e7315
One Hundred and Twenty-One Thousand Three Hundred and Eighty-Three in Base 15 Quindecimal

Scientific Notation

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

1.21380e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000063c990d3e2e6115

The reciprocal of 121380 in Base 15 Quindecimal.

Palindrome?

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

The number 25e7015 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 three hundred and eighty is a composite number with 72 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand three hundred and eighty is a composite number with 72 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 three hundred and eighty has the following 5 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
17
1215
Seventeen in Base 15 Quindecimal

Prime Factorization

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

2152 · 3151 · 5151 · 7151 · 12152 = 25e7015

Base Conversions

The number one hundred and twenty-one thousand three hundred and eighty in 35 different bases