λ
Sequence Observatory

1,964,696

23 × 245587
Deficient Even Composite

Starting at 1,964,696, the Collatz iteration reaches 1 after 140 steps. The first transition is 982348; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 245587
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,683,820
Proper Divisor Sum 1,719,124
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #1964671 ← → #1964719

Radix Representation

Decimal 1964696
Binary 111011111101010011000 (21 bits)
Octal 0o7375230
Hexadecimal 0x1DFA98

Divisor Catalog (8)

1 2 4 8 245,587 491,174 982,348 1,964,696

Collatz Trajectory (140 steps to reach 1)

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

1,964,696 982,348 491,174 245,587 736,762 368,381 1,105,144 552,572 276,286 138,143 414,430 207,215 621,646 310,823 932,470 466,235 1,398,706 699,353 2,098,060 1,049,030 524,515 1,573,546 786,773 2,360,320 1,180,160 590,080 295,040 147,520 73,760 36,880 18,440 9,220 4,610 2,305 6,916 3,458 1,729 5,188 2,594 1,297 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310 155 466 233 700 350

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