4,455,173

17 × 262069

Starting at 4,455,173, the Collatz iteration reaches 1 after 180 steps. The first transition is 13365520; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 17 × 262069

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,717,260

Proper Divisor Sum 262,087

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #4455167 ← → #4455181

Radix Representation

Decimal	4455173
Binary	10000111111101100000101 (23 bits)
Octal	0o20775405
Hexadecimal	0x43FB05

Divisor Catalog (4)

1 17 262,069 4,455,173

Collatz Trajectory (180 steps to reach 1)

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

4,455,173 13,365,520 6,682,760 3,341,380 1,670,690 835,345 2,506,036 1,253,018 626,509 1,879,528 939,764 469,882 234,941 704,824 352,412 176,206 88,103 264,310 132,155 396,466 198,233 594,700 297,350 148,675 446,026 223,013 669,040 334,520 167,260 83,630 41,815 125,446 62,723 188,170 94,085 282,256 141,128 70,564 35,282 17,641 52,924 26,462 13,231 39,694 19,847 59,542 29,771 89,314 44,657 133,972 66,986 33,493 100,480 50,240 25,120 12,560 6,280 3,140 1,570 785

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