λ
Sequence Observatory

1,969,588

22 × 492397
Deficient Even Composite

Starting at 1,969,588, the Collatz iteration reaches 1 after 65 steps. The first transition is 984794; the starting value is even with 6 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 492397
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 3,446,786
Proper Divisor Sum 1,477,198
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #1969573 ← → #1969589

Radix Representation

Decimal 1969588
Binary 111100000110110110100 (21 bits)
Octal 0o7406664
Hexadecimal 0x1E0DB4

Divisor Catalog (6)

1 2 4 492,397 984,794 1,969,588

Collatz Trajectory (65 steps to reach 1)

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

1,969,588 984,794 492,397 1,477,192 738,596 369,298 184,649 553,948 276,974 138,487 415,462 207,731 623,194 311,597 934,792 467,396 233,698 116,849 350,548 175,274 87,637 262,912 131,456 65,728 32,864 16,432 8,216 4,108 2,054 1,027 3,082 1,541 4,624 2,312 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40 20 10

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