λ
Sequence Observatory

2,768,486

2 × 7 × 31 × 6379
Deficient Even Composite

Starting at 2,768,486, the Collatz iteration reaches 1 after 156 steps. The first transition is 1384243; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 31 × 6379
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 4,899,840
Proper Divisor Sum 2,131,354
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #2768483 ← → #2768489

Radix Representation

Decimal 2768486
Binary 1010100011111001100110 (22 bits)
Octal 0o12437146
Hexadecimal 0x2A3E66

Divisor Catalog (16)

1 2 7 14 31 62 217 434 6,379 12,758 44,653 89,306 197,749 395,498 1,384,243 2,768,486

Collatz Trajectory (156 steps to reach 1)

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

2,768,486 1,384,243 4,152,730 2,076,365 6,229,096 3,114,548 1,557,274 778,637 2,335,912 1,167,956 583,978 291,989 875,968 437,984 218,992 109,496 54,748 27,374 13,687 41,062 20,531 61,594 30,797 92,392 46,196 23,098 11,549 34,648 17,324 8,662 4,331 12,994 6,497 19,492 9,746 4,873 14,620 7,310 3,655 10,966 5,483 16,450 8,225 24,676 12,338 6,169 18,508 9,254 4,627 13,882 6,941 20,824 10,412 5,206 2,603 7,810 3,905 11,716 5,858 2,929

More profiles

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