1,791,827

71 × 25237

Starting at 1,791,827, the Collatz iteration reaches 1 after 140 steps. The first transition is 5375482; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 71 × 25237

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,817,136

Proper Divisor Sum 25,309

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1791793 ← → #1791847

Radix Representation

Decimal	1791827
Binary	110110101011101010011 (21 bits)
Octal	0o6653523
Hexadecimal	0x1B5753

Divisor Catalog (4)

1 71 25,237 1,791,827

Collatz Trajectory (140 steps to reach 1)

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

1,791,827 5,375,482 2,687,741 8,063,224 4,031,612 2,015,806 1,007,903 3,023,710 1,511,855 4,535,566 2,267,783 6,803,350 3,401,675 10,205,026 5,102,513 15,307,540 7,653,770 3,826,885 11,480,656 5,740,328 2,870,164 1,435,082 717,541 2,152,624 1,076,312 538,156 269,078 134,539 403,618 201,809 605,428 302,714 151,357 454,072 227,036 113,518 56,759 170,278 85,139 255,418 127,709 383,128 191,564 95,782 47,891 143,674 71,837 215,512 107,756 53,878 26,939 80,818 40,409 121,228 60,614 30,307 90,922 45,461 136,384 68,192

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