λ
Sequence Observatory

7,219,426

2 × 3609713
Deficient Even Composite

Starting at 7,219,426, the Collatz iteration reaches 1 after 90 steps. The first transition is 3609713; the starting value is even with 4 positive divisors.

Resources

JSON

Prime Factor Structure

Factorization String 2 × 3609713
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,829,142
Proper Divisor Sum 3,609,716
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #7219391 ← → #7219427

Radix Representation

Decimal 7219426
Binary 11011100010100011100010 (23 bits)
Octal 0o33424342
Hexadecimal 0x6E28E2

Divisor Catalog (4)

1 2 3,609,713 7,219,426

Collatz Trajectory (90 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.

7,219,426 3,609,713 10,829,140 5,414,570 2,707,285

More profiles

← Previous Integer #7,219,425 Browse Full Index Next Integer #7,219,427 →