665,089

665089

Starting at 665,089, the Collatz iteration reaches 1 after 79 steps. The first transition is 1995268; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 665089

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 665,090

Proper Divisor Sum 1

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #665069 ← → #665111

Radix Representation

Decimal	665089
Binary	10100010011000000001 (20 bits)
Octal	0o2423001
Hexadecimal	0xA2601

Divisor Catalog (2)

1 665,089

Collatz Trajectory (79 steps to reach 1)

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

665,089 1,995,268 997,634 498,817 1,496,452 748,226 374,113 1,122,340 561,170 280,585 841,756 420,878 210,439 631,318 315,659 946,978 473,489 1,420,468 710,234 355,117 1,065,352 532,676 266,338 133,169 399,508 199,754 99,877 299,632 149,816 74,908 37,454 18,727 56,182 28,091 84,274 42,137 126,412 63,206 31,603 94,810 47,405 142,216 71,108 35,554 17,777 53,332 26,666 13,333 40,000 20,000 10,000 5,000 2,500 1,250 625 1,876 938 469 1,408 704

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