9,415,225

5² × 376609

Starting at 9,415,225, the Collatz iteration reaches 1 after 132 steps. The first transition is 28245676; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 5^2 × 376609

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 11,674,910

Proper Divisor Sum 2,259,685

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #9415223 ← → #9415249

Radix Representation

Decimal	9415225
Binary	100011111010101000111001 (24 bits)
Octal	0o43725071
Hexadecimal	0x8FAA39

Divisor Catalog (6)

1 5 25 376,609 1,883,045 9,415,225

Collatz Trajectory (132 steps to reach 1)

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

9,415,225 28,245,676 14,122,838 7,061,419 21,184,258 10,592,129 31,776,388 15,888,194 7,944,097 23,832,292 11,916,146 5,958,073 17,874,220 8,937,110 4,468,555 13,405,666 6,702,833 20,108,500 10,054,250 5,027,125 15,081,376 7,540,688 3,770,344 1,885,172 942,586 471,293 1,413,880 706,940 353,470 176,735 530,206 265,103 795,310 397,655 1,192,966 596,483 1,789,450 894,725 2,684,176 1,342,088 671,044 335,522 167,761 503,284 251,642 125,821 377,464 188,732 94,366 47,183 141,550 70,775 212,326 106,163 318,490 159,245 477,736 238,868 119,434 59,717

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