λ
Sequence Observatory

2,159,331

3 × 19 × 43 × 881
Deficient Odd Composite

Starting at 2,159,331, the Collatz iteration reaches 1 after 166 steps. The first transition is 6477994; the starting value is odd with 16 positive divisors.

Resources

JSON

Prime Factor Structure

Factorization String 3 × 19 × 43 × 881
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 3,104,640
Proper Divisor Sum 945,309
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #2159329 ← → #2159351

Radix Representation

Decimal 2159331
Binary 1000001111001011100011 (22 bits)
Octal 0o10171343
Hexadecimal 0x20F2E3

Divisor Catalog (5 of 16)

1 3 19 43 57

Collatz Trajectory (166 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.

2,159,331 6,477,994 3,238,997 9,716,992 4,858,496

More profiles

← Previous Integer #2,159,330 Browse Full Index Next Integer #2,159,332 →