λ
Sequence Observatory

4,442,881

79 × 56239
Deficient Odd Composite

Starting at 4,442,881, the Collatz iteration reaches 1 after 123 steps. The first transition is 13328644; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 79 × 56239
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,499,200
Proper Divisor Sum 56,319
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #4442869 ← → #4442897

Radix Representation

Decimal 4442881
Binary 10000111100101100000001 (23 bits)
Octal 0o20745401
Hexadecimal 0x43CB01

Divisor Catalog (4)

1 79 56,239 4,442,881

Collatz Trajectory (123 steps to reach 1)

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

4,442,881 13,328,644 6,664,322 3,332,161 9,996,484 4,998,242 2,499,121 7,497,364 3,748,682 1,874,341 5,623,024 2,811,512 1,405,756 702,878 351,439 1,054,318 527,159 1,581,478 790,739 2,372,218 1,186,109 3,558,328 1,779,164 889,582 444,791 1,334,374 667,187 2,001,562 1,000,781 3,002,344 1,501,172 750,586 375,293 1,125,880 562,940 281,470 140,735 422,206 211,103 633,310 316,655 949,966 474,983 1,424,950 712,475 2,137,426 1,068,713 3,206,140 1,603,070 801,535 2,404,606 1,202,303 3,606,910 1,803,455 5,410,366 2,705,183 8,115,550 4,057,775 12,173,326 6,086,663

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