λ
Sequence Observatory

4,013,635

5 × 67 × 11981
Deficient Odd Composite

Starting at 4,013,635, the Collatz iteration reaches 1 after 66 steps. The first transition is 12040906; the starting value is odd with 8 positive divisors.

Resources

JSON

Prime Factor Structure

Factorization String 5 × 67 × 11981
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 4,888,656
Proper Divisor Sum 875,021
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #4013623 ← → #4013641

Radix Representation

Decimal 4013635
Binary 1111010011111001000011 (22 bits)
Octal 0o17237103
Hexadecimal 0x3D3E43

Divisor Catalog (5 of 8)

1 5 67 335 11,981

Collatz Trajectory (66 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.

4,013,635 12,040,906 6,020,453 18,061,360 9,030,680

More profiles

← Previous Integer #4,013,634 Browse Full Index Next Integer #4,013,636 →