The Number

840142

Eight Hundred and Forty Thousand One Hundred and Forty-Two

In Base 21 Unovigesimal Is

46f1g21

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

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

Nearby Numbers

Positive, nonzero integers within three units

840139
46f1d21
Eight Hundred and Forty Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
840140
46f1e21
Eight Hundred and Forty Thousand One Hundred and Forty in Base 21 Unovigesimal
840141
46f1f21
Eight Hundred and Forty Thousand One Hundred and Forty-One in Base 21 Unovigesimal
840143
46f1h21
Eight Hundred and Forty Thousand One Hundred and Forty-Three in Base 21 Unovigesimal
840144
46f1i21
Eight Hundred and Forty Thousand One Hundred and Forty-Four in Base 21 Unovigesimal
840145
46f1j21
Eight Hundred and Forty Thousand One Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

8.40142e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004i1gcdk06h01921

The reciprocal of 840142 in Base 21 Unovigesimal.

Palindrome?

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

The number 46f1g21 is not a palindrome.

Not A Prime Number

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

Eight hundred and forty thousand one hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eight hundred and forty thousand one hundred and forty-two is a composite number with 8 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 eight hundred and forty thousand one hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
22109
282h21
Twenty-Two Thousand One Hundred and 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

2211 · j211 · 282h211 = 46f1g21

Base Conversions

The number eight hundred and forty thousand one hundred and forty-two in 35 different bases