λ
Sequence Observatory

8,557,789

1279 × 6691
Deficient Odd Composite

Starting at 8,557,789, the Collatz iteration reaches 1 after 243 steps. The first transition is 25673368; the starting value is odd with 4 positive divisors.

Resources

JSON

Prime Factor Structure

Factorization String 1279 × 6691
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,565,760
Proper Divisor Sum 7,971
Digit Sum / Digital Root 49 (Root: 4)
Adjacent Primes #8557781 ← → #8557793

Radix Representation

Decimal 8557789
Binary 100000101001010011011101 (24 bits)
Octal 0o40512335
Hexadecimal 0x8294DD

Divisor Catalog (4)

1 1,279 6,691 8,557,789

Collatz Trajectory (243 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.

8,557,789 25,673,368 12,836,684 6,418,342 3,209,171

More profiles

← Previous Integer #8,557,788 Browse Full Index Next Integer #8,557,790 →