The Number

21070

Twenty-One Thousand and Seventy

In Base 7 Septenary Is

1153007

The numbers with a 7 subscript use Base 7 Septenary notation.

For more familiar numbers: See Twenty-One Thousand and Seventy in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21067
1152647
Twenty-One Thousand and Sixty-Seven in Base 7 Septenary
21068
1152657
Twenty-One Thousand and Sixty-Eight in Base 7 Septenary
21069
1152667
Twenty-One Thousand and Sixty-Nine in Base 7 Septenary
21071
1153017
Twenty-One Thousand and Seventy-One in Base 7 Septenary
21072
1153027
Twenty-One Thousand and Seventy-Two in Base 7 Septenary
21073
1153037
Twenty-One Thousand and Seventy-Three in Base 7 Septenary

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.

0.0000054041341200054041347

The reciprocal of 21070 in Base 7 Septenary.

Palindrome?

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

The number 1153007 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 7 Septenary

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

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty-one thousand and seventy has the following 4 prime factors:

2
27
Two in Base 7 Septenary
5
57
Five in Base 7 Septenary
7
107
Seven in Base 7 Septenary
43
617
Forty-Three in Base 7 Septenary

Prime Factorization

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

271 · 571 · 1072 · 6171 = 1153007

Base Conversions

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