λ
Sequence Observatory

372,887

281 × 1327
Deficient Odd Composite

Starting at 372,887, the Collatz iteration reaches 1 after 55 steps. The first transition is 1118662; the starting value is odd with 4 positive divisors.

Link collection

External pages selected by the site administrator. These links are separate from the mathematical calculations below.

Download link list (JSON)

Prime Factor Structure

Factorization String 281 × 1327
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 374,496
Proper Divisor Sum 1,609
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #372881 ← → #372901

Radix Representation

Decimal 372887
Binary 1011011000010010111 (19 bits)
Octal 0o1330227
Hexadecimal 0x5B097

Divisor Catalog (4)

Collatz Trajectory (55 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.

More profiles

Browse other published profiles and their separate link collections.

← Previous Integer #372,886 Browse Full Index Next Integer #372,888 →