Nearby Numbers

Positive, nonzero integers within three units

21067

Twenty-One Thousand and Sixty-Seven

21068

Twenty-One Thousand and Sixty-Eight

21069

Twenty-One Thousand and Sixty-Nine

21071

Twenty-One Thousand and Seventy-One

21072

Twenty-One Thousand and Seventy-Two

21073

Twenty-One Thousand and Seventy-Three

Scientific Notation

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

2.1070e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004746084480303749

The reciprocal of 21070.

Palindrome?

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

The number 21070 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand and seventy is a composite number with 24 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and seventy is a composite number with 24 total factors (including 1 and itself).

Prime Factors

2

Two

5

Five

7

Seven

43

Forty-Three

Prime Factorization

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

21 · 51 · 72 · 431 = 21070

Base Conversions

The number twenty-one thousand and seventy in 35 different bases