4,985,425

5² × 199417

Starting at 4,985,425, the Collatz iteration reaches 1 after 175 steps. The first transition is 14956276; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 5^2 × 199417

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 6,181,958

Proper Divisor Sum 1,196,533

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #4985423 ← → #4985443

Radix Representation

Decimal	4985425
Binary	10011000001001001010001 (23 bits)
Octal	0o23011121
Hexadecimal	0x4C1251

Divisor Catalog (6)

1 5 25 199,417 997,085 4,985,425

Collatz Trajectory (175 steps to reach 1)

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

4,985,425 14,956,276 7,478,138 3,739,069 11,217,208 5,608,604 2,804,302 1,402,151 4,206,454 2,103,227 6,309,682 3,154,841 9,464,524 4,732,262 2,366,131 7,098,394 3,549,197 10,647,592 5,323,796 2,661,898 1,330,949 3,992,848 1,996,424 998,212 499,106 249,553 748,660 374,330 187,165 561,496 280,748 140,374 70,187 210,562 105,281 315,844 157,922 78,961 236,884 118,442 59,221 177,664 88,832 44,416 22,208 11,104 5,552 2,776 1,388 694 347 1,042 521 1,564 782 391 1,174 587 1,762 881

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