λ
Ratio Atlas

1,831,381

1831381
Deficient Odd Prime

1,831,381 factors as 1831381. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 57 steps.

Prime Factor Structure

Factorization String 1831381
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,831,382
Proper Divisor Sum 1
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #1831373 ← → #1831399

Radix Representation

Decimal 1831381
Binary 110111111000111010101 (21 bits)
Octal 0o6770725
Hexadecimal 0x1BF1D5

Divisor Catalog (2)

Collatz Trajectory (57 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.

← Previous Integer #1,831,380 Browse Full Index Next Integer #1,831,382 →