λ
Sequence Observatory

9,955,576

23 × 1244447
Deficient Even Composite

Starting at 9,955,576, the Collatz iteration reaches 1 after 132 steps. The first transition is 4977788; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 1244447
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 18,666,720
Proper Divisor Sum 8,711,144
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #9955571 ← → #9955577

Radix Representation

Decimal 9955576
Binary 100101111110100011111000 (24 bits)
Octal 0o45764370
Hexadecimal 0x97E8F8

Divisor Catalog (8)

1 2 4 8 1,244,447 2,488,894 4,977,788 9,955,576

Collatz Trajectory (132 steps to reach 1)

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

9,955,576 4,977,788 2,488,894 1,244,447 3,733,342 1,866,671 5,600,014 2,800,007 8,400,022 4,200,011 12,600,034 6,300,017 18,900,052 9,450,026 4,725,013 14,175,040 7,087,520 3,543,760 1,771,880 885,940 442,970 221,485 664,456 332,228 166,114 83,057 249,172 124,586 62,293 186,880 93,440 46,720 23,360 11,680 5,840 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780

More profiles

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