1,661,422

2 × 7 × 118673

Starting at 1,661,422, the Collatz iteration reaches 1 after 176 steps. The first transition is 830711; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 118673

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,848,176

Proper Divisor Sum 1,186,754

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1661353 ← → #1661431

Radix Representation

Decimal	1661422
Binary	110010101100111101110 (21 bits)
Octal	0o6254756
Hexadecimal	0x1959EE

Divisor Catalog (8)

1 2 7 14 118,673 237,346 830,711 1,661,422

Collatz Trajectory (176 steps to reach 1)

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

1,661,422 830,711 2,492,134 1,246,067 3,738,202 1,869,101 5,607,304 2,803,652 1,401,826 700,913 2,102,740 1,051,370 525,685 1,577,056 788,528 394,264 197,132 98,566 49,283 147,850 73,925 221,776 110,888 55,444 27,722 13,861 41,584 20,792 10,396 5,198 2,599 7,798 3,899 11,698 5,849 17,548 8,774 4,387 13,162 6,581 19,744 9,872 4,936 2,468 1,234 617 1,852 926 463 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762

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