2,625,121

1097 × 2393

Starting at 2,625,121, the Collatz iteration reaches 1 after 68 steps. The first transition is 7875364; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 1097 × 2393

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,628,612

Proper Divisor Sum 3,491

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #2625079 ← → #2625137

Radix Representation

Decimal	2625121
Binary	1010000000111001100001 (22 bits)
Octal	0o12007141
Hexadecimal	0x280E61

Divisor Catalog (4)

1 1,097 2,393 2,625,121

Collatz Trajectory (68 steps to reach 1)

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

2,625,121 7,875,364 3,937,682 1,968,841 5,906,524 2,953,262 1,476,631 4,429,894 2,214,947 6,644,842 3,322,421 9,967,264 4,983,632 2,491,816 1,245,908 622,954 311,477 934,432 467,216 233,608 116,804 58,402 29,201 87,604 43,802 21,901 65,704 32,852 16,426 8,213 24,640 12,320 6,160 3,080 1,540 770 385 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184 92 46 23 70 35 106 53 160 80

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