1,989,484

2² × 7 × 41 × 1733

Starting at 1,989,484, the Collatz iteration reaches 1 after 166 steps. The first transition is 994742; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 7 × 41 × 1733

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 4,078,368

Proper Divisor Sum 2,088,884

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #1989479 ← → #1989499

Radix Representation

Decimal	1989484
Binary	111100101101101101100 (21 bits)
Octal	0o7455554
Hexadecimal	0x1E5B6C

Divisor Catalog (24)

Collatz Trajectory (166 steps to reach 1)

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

1,989,484 994,742 497,371 1,492,114 746,057 2,238,172 1,119,086 559,543 1,678,630 839,315 2,517,946 1,258,973 3,776,920 1,888,460 944,230 472,115 1,416,346 708,173 2,124,520 1,062,260 531,130 265,565 796,696 398,348 199,174 99,587 298,762 149,381 448,144 224,072 112,036 56,018 28,009 84,028 42,014 21,007 63,022 31,511 94,534 47,267 141,802 70,901 212,704 106,352 53,176 26,588 13,294 6,647 19,942 9,971 29,914 14,957 44,872 22,436 11,218 5,609 16,828 8,414 4,207 12,622

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