λ
Ratio Atlas

21,050,873

21050873
Deficient Odd Prime

21,050,873 factors as 21050873. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 177 steps.

Prime Factor Structure

Factorization String 21050873
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 21,050,874
Proper Divisor Sum 1
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #21050857 ← → #21050921

Radix Representation

Decimal 21050873
Binary 1010000010011010111111001 (25 bits)
Octal 0o120232771
Hexadecimal 0x14135F9

Divisor Catalog (2)

Collatz Trajectory (177 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

More profiles

Browse other published profiles and their separate link collections.

No other profiles in this collection.

← Previous Integer #21,050,872 Browse Full Index Next Integer #21,050,874 →