1,745,431

1745431

Starting at 1,745,431, the Collatz iteration reaches 1 after 189 steps. The first transition is 5236294; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 1745431

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 1,745,432

Proper Divisor Sum 1

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1745389 ← → #1745437

Radix Representation

Decimal	1745431
Binary	110101010001000010111 (21 bits)
Octal	0o6521027
Hexadecimal	0x1AA217

Divisor Catalog (2)

1 1,745,431

Collatz Trajectory (189 steps to reach 1)

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

1,745,431 5,236,294 2,618,147 7,854,442 3,927,221 11,781,664 5,890,832 2,945,416 1,472,708 736,354 368,177 1,104,532 552,266 276,133 828,400 414,200 207,100 103,550 51,775 155,326 77,663 232,990 116,495 349,486 174,743 524,230 262,115 786,346 393,173 1,179,520 589,760 294,880 147,440 73,720 36,860 18,430 9,215 27,646 13,823 41,470 20,735 62,206 31,103 93,310 46,655 139,966 69,983 209,950 104,975 314,926 157,463 472,390 236,195 708,586 354,293 1,062,880 531,440 265,720 132,860 66,430

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