λ
Sequence Observatory

2,193,235

5 × 11 × 39877
Deficient Odd Composite

Starting at 2,193,235, the Collatz iteration reaches 1 after 316 steps. The first transition is 6579706; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 11 × 39877
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,871,216
Proper Divisor Sum 677,981
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #2193223 ← → #2193239

Radix Representation

Decimal 2193235
Binary 1000010111011101010011 (22 bits)
Octal 0o10273523
Hexadecimal 0x217753

Divisor Catalog (8)

1 5 11 55 39,877 199,385 438,647 2,193,235

Collatz Trajectory (316 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

2,193,235 6,579,706 3,289,853 9,869,560 4,934,780 2,467,390 1,233,695 3,701,086 1,850,543 5,551,630 2,775,815 8,327,446 4,163,723 12,491,170 6,245,585 18,736,756 9,368,378 4,684,189 14,052,568 7,026,284 3,513,142 1,756,571 5,269,714 2,634,857 7,904,572 3,952,286 1,976,143 5,928,430 2,964,215 8,892,646 4,446,323 13,338,970 6,669,485 20,008,456 10,004,228 5,002,114 2,501,057 7,503,172 3,751,586 1,875,793 5,627,380 2,813,690 1,406,845 4,220,536 2,110,268 1,055,134 527,567 1,582,702 791,351 2,374,054 1,187,027 3,561,082 1,780,541 5,341,624 2,670,812 1,335,406 667,703 2,003,110 1,001,555 3,004,666

More profiles

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