λ
Ratio Atlas

19,731,997

19731997
Deficient Odd Prime

19,731,997 factors as 19731997. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 58 steps.

Prime Factor Structure

Factorization String 19731997
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 19,731,998
Proper Divisor Sum 1
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #19731991 ← → #19732003

Radix Representation

Decimal 19731997
Binary 1001011010001011000011101 (25 bits)
Octal 0o113213035
Hexadecimal 0x12D161D

Divisor Catalog (2)

Collatz Trajectory (58 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 #19,731,996 Browse Full Index Next Integer #19,731,998 →