1,780,871

179 × 9949

Starting at 1,780,871, the Collatz iteration reaches 1 after 96 steps. The first transition is 5342614; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 179 × 9949

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,791,000

Proper Divisor Sum 10,129

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #1780837 ← → #1780873

Radix Representation

Decimal	1780871
Binary	110110010110010000111 (21 bits)
Octal	0o6626207
Hexadecimal	0x1B2C87

Divisor Catalog (4)

1 179 9,949 1,780,871

Collatz Trajectory (96 steps to reach 1)

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

1,780,871 5,342,614 2,671,307 8,013,922 4,006,961 12,020,884 6,010,442 3,005,221 9,015,664 4,507,832 2,253,916 1,126,958 563,479 1,690,438 845,219 2,535,658 1,267,829 3,803,488 1,901,744 950,872 475,436 237,718 118,859 356,578 178,289 534,868 267,434 133,717 401,152 200,576 100,288 50,144 25,072 12,536 6,268 3,134 1,567 4,702 2,351 7,054 3,527 10,582 5,291 15,874 7,937 23,812 11,906 5,953 17,860 8,930 4,465 13,396 6,698 3,349 10,048 5,024 2,512 1,256 628 314

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