λ
Sequence Observatory

5,564,478

2 × 3 × 379 × 2447
Abundant Even Composite

Starting at 5,564,478, the Collatz iteration reaches 1 after 245 steps. The first transition is 2782239; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 379 × 2447
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 11,162,880
Proper Divisor Sum 5,598,402
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #5564477 ← → #5564497

Radix Representation

Decimal 5564478
Binary 10101001110100000111110 (23 bits)
Octal 0o25164076
Hexadecimal 0x54E83E

Divisor Catalog (16)

1 2 3 6 379 758 1,137 2,274 2,447 4,894 7,341 14,682 927,413 1,854,826 2,782,239 5,564,478

Collatz Trajectory (245 steps to reach 1)

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

5,564,478 2,782,239 8,346,718 4,173,359 12,520,078 6,260,039 18,780,118 9,390,059 28,170,178 14,085,089 42,255,268 21,127,634 10,563,817 31,691,452 15,845,726 7,922,863 23,768,590 11,884,295 35,652,886 17,826,443 53,479,330 26,739,665 80,218,996 40,109,498 20,054,749 60,164,248 30,082,124 15,041,062 7,520,531 22,561,594 11,280,797 33,842,392 16,921,196 8,460,598 4,230,299 12,690,898 6,345,449 19,036,348 9,518,174 4,759,087 14,277,262 7,138,631 21,415,894 10,707,947 32,123,842 16,061,921 48,185,764 24,092,882 12,046,441 36,139,324 18,069,662 9,034,831 27,104,494 13,552,247 40,656,742 20,328,371 60,985,114 30,492,557 91,477,672 45,738,836

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