1,990,049

853 × 2333

Starting at 1,990,049, the Collatz iteration reaches 1 after 122 steps. The first transition is 5970148; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 853 × 2333

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,993,236

Proper Divisor Sum 3,187

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #1990039 ← → #1990069

Radix Representation

Decimal	1990049
Binary	111100101110110100001 (21 bits)
Octal	0o7456641
Hexadecimal	0x1E5DA1

Divisor Catalog (4)

1 853 2,333 1,990,049

Collatz Trajectory (122 steps to reach 1)

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

1,990,049 5,970,148 2,985,074 1,492,537 4,477,612 2,238,806 1,119,403 3,358,210 1,679,105 5,037,316 2,518,658 1,259,329 3,777,988 1,888,994 944,497 2,833,492 1,416,746 708,373 2,125,120 1,062,560 531,280 265,640 132,820 66,410 33,205 99,616 49,808 24,904 12,452 6,226 3,113 9,340 4,670 2,335 7,006 3,503 10,510 5,255 15,766 7,883 23,650 11,825 35,476 17,738 8,869 26,608 13,304 6,652 3,326 1,663 4,990 2,495 7,486 3,743 11,230 5,615 16,846 8,423 25,270 12,635

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