The Number

640140

Six Hundred and Forty Thousand One Hundred and Forty

In Base 15 Quindecimal Is

c9a1015

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

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

Nearby Numbers

Positive, nonzero integers within three units

640137
c9a0c15
Six Hundred and Forty Thousand One Hundred and Thirty-Seven in Base 15 Quindecimal
640138
c9a0d15
Six Hundred and Forty Thousand One Hundred and Thirty-Eight in Base 15 Quindecimal
640139
c9a0e15
Six Hundred and Forty Thousand One Hundred and Thirty-Nine in Base 15 Quindecimal
640141
c9a1115
Six Hundred and Forty Thousand One Hundred and Forty-One in Base 15 Quindecimal
640142
c9a1215
Six Hundred and Forty Thousand One Hundred and Forty-Two in Base 15 Quindecimal
640143
c9a1315
Six Hundred and Forty Thousand One Hundred and Forty-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.

6.40140e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000012bd992ab6017115

The reciprocal of 640140 in Base 15 Quindecimal.

Palindrome?

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

The number c9a1015 is not a palindrome.

Not A Prime Number

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

Six hundred and forty thousand one hundred and forty is a composite number with 48 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand one 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 six hundred and forty thousand one hundred and forty 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
47
3215
Forty-Seven in Base 15 Quindecimal
227
10215
Two Hundred and Twenty-Seven 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 · 32151 · 102151 = c9a1015

Base Conversions

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