The Number

215420

Two Hundred and Fifteen Thousand Four Hundred and Twenty

In Base 21 Unovigesimal Is

125a221

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

For more familiar numbers: See Two Hundred and Fifteen Thousand Four Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

215417
1259k21
Two Hundred and Fifteen Thousand Four Hundred and Seventeen in Base 21 Unovigesimal
215418
125a021
Two Hundred and Fifteen Thousand Four Hundred and Eightteen in Base 21 Unovigesimal
215419
125a121
Two Hundred and Fifteen Thousand Four Hundred and Nineteen in Base 21 Unovigesimal
215421
125a321
Two Hundred and Fifteen Thousand Four Hundred and Twenty-One in Base 21 Unovigesimal
215422
125a421
Two Hundred and Fifteen Thousand Four Hundred and Twenty-Two in Base 21 Unovigesimal
215423
125a521
Two Hundred and Fifteen Thousand Four Hundred and Twenty-Three in Base 21 Unovigesimal

Scientific Notation

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

2.15420e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ik2h60k6ae1g21

The reciprocal of 215420 in Base 21 Unovigesimal.

Palindrome?

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

The number 125a221 is not a palindrome.

Not A Prime Number

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

Two hundred and fifteen thousand four hundred and twenty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and fifteen thousand four hundred and twenty is a composite number with 12 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 two hundred and fifteen thousand four hundred and twenty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
10771
138j21
Ten Thousand Seven Hundred and Seventy-One in Base 21 Unovigesimal

Prime Factorization

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

2212 · 5211 · 138j211 = 125a221

Base Conversions

The number two hundred and fifteen thousand four hundred and twenty in 35 different bases