8,965,405

5 × 1793081

Starting at 8,965,405, the Collatz iteration reaches 1 after 256 steps. The first transition is 26896216; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 1793081

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 10,758,492

Proper Divisor Sum 1,793,087

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #8965403 ← → #8965447

Radix Representation

Decimal	8965405
Binary	100010001100110100011101 (24 bits)
Octal	0o42146435
Hexadecimal	0x88CD1D

Divisor Catalog (4)

1 5 1,793,081 8,965,405

Collatz Trajectory (256 steps to reach 1)

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

8,965,405 26,896,216 13,448,108 6,724,054 3,362,027 10,086,082 5,043,041 15,129,124 7,564,562 3,782,281 11,346,844 5,673,422 2,836,711 8,510,134 4,255,067 12,765,202 6,382,601 19,147,804 9,573,902 4,786,951 14,360,854 7,180,427 21,541,282 10,770,641 32,311,924 16,155,962 8,077,981 24,233,944 12,116,972 6,058,486 3,029,243 9,087,730 4,543,865 13,631,596 6,815,798 3,407,899 10,223,698 5,111,849 15,335,548 7,667,774 3,833,887 11,501,662 5,750,831 17,252,494 8,626,247 25,878,742 12,939,371 38,818,114 19,409,057 58,227,172 29,113,586 14,556,793 43,670,380 21,835,190 10,917,595 32,752,786 16,376,393 49,129,180 24,564,590 12,282,295

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