1,747,351

1249 × 1399

Starting at 1,747,351, the Collatz iteration reaches 1 after 145 steps. The first transition is 5242054; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 1249 × 1399

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,750,000

Proper Divisor Sum 2,649

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1747331 ← → #1747363

Radix Representation

Decimal	1747351
Binary	110101010100110010111 (21 bits)
Octal	0o6524627
Hexadecimal	0x1AA997

Divisor Catalog (4)

1 1,249 1,399 1,747,351

Collatz Trajectory (145 steps to reach 1)

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

1,747,351 5,242,054 2,621,027 7,863,082 3,931,541 11,794,624 5,897,312 2,948,656 1,474,328 737,164 368,582 184,291 552,874 276,437 829,312 414,656 207,328 103,664 51,832 25,916 12,958 6,479 19,438 9,719 29,158 14,579 43,738 21,869 65,608 32,804 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572 7,786 3,893 11,680 5,840 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310

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