The Number

400142

Four Hundred Thousand One Hundred and Forty-Two

In Base 21 Unovigesimal Is

2147821

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

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

Nearby Numbers

Positive, nonzero integers within three units

400139
2147521
Four Hundred Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
400140
2147621
Four Hundred Thousand One Hundred and Forty in Base 21 Unovigesimal
400141
2147721
Four Hundred Thousand One Hundred and Forty-One in Base 21 Unovigesimal
400143
2147921
Four Hundred Thousand One Hundred and Forty-Three in Base 21 Unovigesimal
400144
2147a21
Four Hundred Thousand One Hundred and Forty-Four in Base 21 Unovigesimal
400145
2147b21
Four Hundred 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.

4.00142e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a472c9685fa521

The reciprocal of 400142 in Base 21 Unovigesimal.

Palindrome?

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

The number 2147821 is not a palindrome.

Not A Prime Number

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

Four hundred 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.

Four hundred 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 four hundred thousand one hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
6899
fdb21
Six Thousand Eight Hundred and Ninety-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 · 18211 · fdb211 = 2147821

Base Conversions

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