1,791,865

5 × 358373

Starting at 1,791,865, the Collatz iteration reaches 1 after 370 steps. The first transition is 5375596; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 358373

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,150,244

Proper Divisor Sum 358,379

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1791863 ← → #1791883

Radix Representation

Decimal	1791865
Binary	110110101011101111001 (21 bits)
Octal	0o6653571
Hexadecimal	0x1B5779

Divisor Catalog (4)

1 5 358,373 1,791,865

Collatz Trajectory (370 steps to reach 1)

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

1,791,865 5,375,596 2,687,798 1,343,899 4,031,698 2,015,849 6,047,548 3,023,774 1,511,887 4,535,662 2,267,831 6,803,494 3,401,747 10,205,242 5,102,621 15,307,864 7,653,932 3,826,966 1,913,483 5,740,450 2,870,225 8,610,676 4,305,338 2,152,669 6,458,008 3,229,004 1,614,502 807,251 2,421,754 1,210,877 3,632,632 1,816,316 908,158 454,079 1,362,238 681,119 2,043,358 1,021,679 3,065,038 1,532,519 4,597,558 2,298,779 6,896,338 3,448,169 10,344,508 5,172,254 2,586,127 7,758,382 3,879,191 11,637,574 5,818,787 17,456,362 8,728,181 26,184,544 13,092,272 6,546,136 3,273,068 1,636,534 818,267 2,454,802

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