λ
Sequence Observatory

5,545,894

2 × 83 × 33409
Deficient Even Composite

Starting at 5,545,894, the Collatz iteration reaches 1 after 139 steps. The first transition is 2772947; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 83 × 33409
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 8,419,320
Proper Divisor Sum 2,873,426
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #5545889 ← → #5545901

Radix Representation

Decimal 5545894
Binary 10101001001111110100110 (23 bits)
Octal 0o25117646
Hexadecimal 0x549FA6

Divisor Catalog (8)

1 2 83 166 33,409 66,818 2,772,947 5,545,894

Collatz Trajectory (139 steps to reach 1)

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

5,545,894 2,772,947 8,318,842 4,159,421 12,478,264 6,239,132 3,119,566 1,559,783 4,679,350 2,339,675 7,019,026 3,509,513 10,528,540 5,264,270 2,632,135 7,896,406 3,948,203 11,844,610 5,922,305 17,766,916 8,883,458 4,441,729 13,325,188 6,662,594 3,331,297 9,993,892 4,996,946 2,498,473 7,495,420 3,747,710 1,873,855 5,621,566 2,810,783 8,432,350 4,216,175 12,648,526 6,324,263 18,972,790 9,486,395 28,459,186 14,229,593 42,688,780 21,344,390 10,672,195 32,016,586 16,008,293 48,024,880 24,012,440 12,006,220 6,003,110 3,001,555 9,004,666 4,502,333 13,507,000 6,753,500 3,376,750 1,688,375 5,065,126 2,532,563 7,597,690

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