λ
Ratio Atlas
21,390,769
137 × 193 × 809
Deficient Odd Composite

Prime Factor Structure

Factorization String 137 × 193 × 809
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 21,685,320
Proper Divisor Sum 294,551
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #21390767 ← → #21390791

Radix Representation

Decimal 21390769
Binary 1010001100110010110110001 (25 bits)
Octal 0o121462661
Hexadecimal 0x14665B1

Divisor Catalog (8)

Collatz Trajectory (172 steps to reach 1)

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

Active Feeder Network

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.

← Previous Integer #21,390,768 Browse Full Index Next Integer #21,390,770 →