2,650,129

23 × 115223

Starting at 2,650,129, the Collatz iteration reaches 1 after 125 steps. The first transition is 7950388; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 23 × 115223

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,765,376

Proper Divisor Sum 115,247

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #2650127 ← → #2650157

Radix Representation

Decimal	2650129
Binary	1010000111000000010001 (22 bits)
Octal	0o12070021
Hexadecimal	0x287011

Divisor Catalog (4)

1 23 115,223 2,650,129

Collatz Trajectory (125 steps to reach 1)

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

2,650,129 7,950,388 3,975,194 1,987,597 5,962,792 2,981,396 1,490,698 745,349 2,236,048 1,118,024 559,012 279,506 139,753 419,260 209,630 104,815 314,446 157,223 471,670 235,835 707,506 353,753 1,061,260 530,630 265,315 795,946 397,973 1,193,920 596,960 298,480 149,240 74,620 37,310 18,655 55,966 27,983 83,950 41,975 125,926 62,963 188,890 94,445 283,336 141,668 70,834 35,417 106,252 53,126 26,563 79,690 39,845 119,536 59,768 29,884 14,942 7,471 22,414 11,207 33,622 16,811

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