λ
Sequence Observatory

9,212,271

3 × 163 × 18839
Deficient Odd Composite

Starting at 9,212,271, the Collatz iteration reaches 1 after 225 steps. The first transition is 27636814; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 163 × 18839
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 12,359,040
Proper Divisor Sum 3,146,769
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #9212267 ← → #9212293

Radix Representation

Decimal 9212271
Binary 100011001001000101101111 (24 bits)
Octal 0o43110557
Hexadecimal 0x8C916F

Divisor Catalog (8)

1 3 163 489 18,839 56,517 3,070,757 9,212,271

Collatz Trajectory (225 steps to reach 1)

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

9,212,271 27,636,814 13,818,407 41,455,222 20,727,611 62,182,834 31,091,417 93,274,252 46,637,126 23,318,563 69,955,690 34,977,845 104,933,536 52,466,768 26,233,384 13,116,692 6,558,346 3,279,173 9,837,520 4,918,760 2,459,380 1,229,690 614,845 1,844,536 922,268 461,134 230,567 691,702 345,851 1,037,554 518,777 1,556,332 778,166 389,083 1,167,250 583,625 1,750,876 875,438 437,719 1,313,158 656,579 1,969,738 984,869 2,954,608 1,477,304 738,652 369,326 184,663 553,990 276,995 830,986 415,493 1,246,480 623,240 311,620 155,810 77,905 233,716 116,858 58,429

More profiles

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