The Number

280120

Two Hundred and Eighty Thousand One Hundred and Twenty

In Base 21 Unovigesimal Is

1954121

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

For more familiar numbers: See Two Hundred and Eighty Thousand One Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

280117
1953j21
Two Hundred and Eighty Thousand One Hundred and Seventeen in Base 21 Unovigesimal
280118
1953k21
Two Hundred and Eighty Thousand One Hundred and Eightteen in Base 21 Unovigesimal
280119
1954021
Two Hundred and Eighty Thousand One Hundred and Nineteen in Base 21 Unovigesimal
280121
1954221
Two Hundred and Eighty Thousand One Hundred and Twenty-One in Base 21 Unovigesimal
280122
1954321
Two Hundred and Eighty Thousand One Hundred and Twenty-Two in Base 21 Unovigesimal
280123
1954421
Two Hundred and Eighty Thousand One 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.

2.80120e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ec3eg500400421

The reciprocal of 280120 in Base 21 Unovigesimal.

Palindrome?

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

The number 1954121 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 eighty thousand one hundred and twenty is a composite number with 32 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 eighty thousand one hundred and twenty is a composite number with 32 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 eighty thousand one hundred and twenty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
47
2521
Forty-Seven in Base 21 Unovigesimal
149
7221
One Hundred and Forty-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

2213 · 5211 · 25211 · 72211 = 1954121

Base Conversions

The number two hundred and eighty thousand one hundred and twenty in 35 different bases