λ
Sequence Observatory

3,219,205

5 × 112 × 17 × 313
Deficient Odd Composite

Starting at 3,219,205, the Collatz iteration reaches 1 after 115 steps. The first transition is 9657616; the starting value is odd with 24 positive divisors.

Resources

JSON

Prime Factor Structure

Factorization String 5 × 11^2 × 17 × 313
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 4,510,296
Proper Divisor Sum 1,291,091
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #3219199 ← → #3219221

Radix Representation

Decimal 3219205
Binary 1100010001111100000101 (22 bits)
Octal 0o14217405
Hexadecimal 0x311F05

Divisor Catalog (5 of 24)

1 5 11 17 55

Collatz Trajectory (115 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

3,219,205 9,657,616 4,828,808 2,414,404 1,207,202

More profiles

← Previous Integer #3,219,204 Browse Full Index Next Integer #3,219,206 →