2,545,733

17 × 149749

Starting at 2,545,733, the Collatz iteration reaches 1 after 81 steps. The first transition is 7637200; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 17 × 149749

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,695,500

Proper Divisor Sum 149,767

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #2545727 ← → #2545757

Radix Representation

Decimal	2545733
Binary	1001101101100001000101 (22 bits)
Octal	0o11554105
Hexadecimal	0x26D845

Divisor Catalog (4)

1 17 149,749 2,545,733

Collatz Trajectory (81 steps to reach 1)

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

2,545,733 7,637,200 3,818,600 1,909,300 954,650 477,325 1,431,976 715,988 357,994 178,997 536,992 268,496 134,248 67,124 33,562 16,781 50,344 25,172 12,586 6,293 18,880 9,440 4,720 2,360 1,180 590 295 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422 211 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 76

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