λ
Sequence Observatory

5,919,587

172 × 20483
Deficient Odd Composite

Starting at 5,919,587, the Collatz iteration reaches 1 after 77 steps. The first transition is 17758762; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 17^2 × 20483
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 6,288,588
Proper Divisor Sum 369,001
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #5919581 ← → #5919607

Radix Representation

Decimal 5919587
Binary 10110100101001101100011 (23 bits)
Octal 0o26451543
Hexadecimal 0x5A5363

Divisor Catalog (6)

1 17 289 20,483 348,211 5,919,587

Collatz Trajectory (77 steps to reach 1)

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

5,919,587 17,758,762 8,879,381 26,638,144 13,319,072 6,659,536 3,329,768 1,664,884 832,442 416,221 1,248,664 624,332 312,166 156,083 468,250 234,125 702,376 351,188 175,594 87,797 263,392 131,696 65,848 32,924 16,462 8,231 24,694 12,347 37,042 18,521 55,564 27,782 13,891 41,674 20,837 62,512 31,256 15,628 7,814 3,907 11,722 5,861 17,584 8,792 4,396 2,198 1,099 3,298 1,649 4,948 2,474 1,237 3,712 1,856 928 464 232 116 58 29

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