1,630,682

2 × 815341

Starting at 1,630,682, the Collatz iteration reaches 1 after 207 steps. The first transition is 815341; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 815341

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,446,026

Proper Divisor Sum 815,344

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1630669 ← → #1630721

Radix Representation

Decimal	1630682
Binary	110001110000111011010 (21 bits)
Octal	0o6160732
Hexadecimal	0x18E1DA

Divisor Catalog (4)

1 2 815,341 1,630,682

Collatz Trajectory (207 steps to reach 1)

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

1,630,682 815,341 2,446,024 1,223,012 611,506 305,753 917,260 458,630 229,315 687,946 343,973 1,031,920 515,960 257,980 128,990 64,495 193,486 96,743 290,230 145,115 435,346 217,673 653,020 326,510 163,255 489,766 244,883 734,650 367,325 1,101,976 550,988 275,494 137,747 413,242 206,621 619,864 309,932 154,966 77,483 232,450 116,225 348,676 174,338 87,169 261,508 130,754 65,377 196,132 98,066 49,033 147,100 73,550 36,775 110,326 55,163 165,490 82,745 248,236 124,118 62,059

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