1,111,661

1111661

Starting at 1,111,661, the Collatz iteration reaches 1 after 178 steps. The first transition is 3334984; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 1111661

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 1,111,662

Proper Divisor Sum 1

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #1111651 ← → #1111667

Radix Representation

Decimal	1111661
Binary	100001111011001101101 (21 bits)
Octal	0o4173155
Hexadecimal	0x10F66D

Divisor Catalog (2)

1 1,111,661

Collatz Trajectory (178 steps to reach 1)

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

1,111,661 3,334,984 1,667,492 833,746 416,873 1,250,620 625,310 312,655 937,966 468,983 1,406,950 703,475 2,110,426 1,055,213 3,165,640 1,582,820 791,410 395,705 1,187,116 593,558 296,779 890,338 445,169 1,335,508 667,754 333,877 1,001,632 500,816 250,408 125,204 62,602 31,301 93,904 46,952 23,476 11,738 5,869 17,608 8,804 4,402 2,201 6,604 3,302 1,651 4,954 2,477 7,432 3,716 1,858 929 2,788 1,394 697 2,092 1,046 523 1,570 785 2,356 1,178

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