λ
Sequence Observatory

5,279,546

2 × 2639773
Deficient Even Composite

Starting at 5,279,546, the Collatz iteration reaches 1 after 201 steps. The first transition is 2639773; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 2639773
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,919,322
Proper Divisor Sum 2,639,776
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #5279543 ← → #5279609

Radix Representation

Decimal 5279546
Binary 10100001000111100111010 (23 bits)
Octal 0o24107472
Hexadecimal 0x508F3A

Divisor Catalog (4)

1 2 2,639,773 5,279,546

Collatz Trajectory (201 steps to reach 1)

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

5,279,546 2,639,773 7,919,320 3,959,660 1,979,830 989,915 2,969,746 1,484,873 4,454,620 2,227,310 1,113,655 3,340,966 1,670,483 5,011,450 2,505,725 7,517,176 3,758,588 1,879,294 939,647 2,818,942 1,409,471 4,228,414 2,114,207 6,342,622 3,171,311 9,513,934 4,756,967 14,270,902 7,135,451 21,406,354 10,703,177 32,109,532 16,054,766 8,027,383 24,082,150 12,041,075 36,123,226 18,061,613 54,184,840 27,092,420 13,546,210 6,773,105 20,319,316 10,159,658 5,079,829 15,239,488 7,619,744 3,809,872 1,904,936 952,468 476,234 238,117 714,352 357,176 178,588 89,294 44,647 133,942 66,971 200,914

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