The Number

21129

Twenty-One Thousand One Hundred and Twenty-Nine

In Base 7 Septenary Is

1154137

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

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

Nearby Numbers

Positive, nonzero integers within three units

21126
1154107
Twenty-One Thousand One Hundred and Twenty-Six in Base 7 Septenary
21127
1154117
Twenty-One Thousand One Hundred and Twenty-Seven in Base 7 Septenary
21128
1154127
Twenty-One Thousand One Hundred and Twenty-Eight in Base 7 Septenary
21130
1154147
Twenty-One Thousand One Hundred and Thirty in Base 7 Septenary
21131
1154157
Twenty-One Thousand One Hundred and Thirty-One in Base 7 Septenary
21132
1154167
Twenty-One Thousand One Hundred and Thirty-Two in Base 7 Septenary

Scientific Notation

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

2.1129e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053656035516163635267

The reciprocal of 21129 in Base 7 Septenary.

Palindrome?

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

The number 1154137 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 one hundred and twenty-nine is a composite number with 4 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 one hundred and twenty-nine is a composite number with 4 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 one hundred and twenty-nine has the following 2 prime factors:

3
37
Three in Base 7 Septenary
7043
263517
Seven Thousand and 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

371 · 2635171 = 1154137

Base Conversions

The number twenty-one thousand one hundred and twenty-nine in 35 different bases