λ
Sequence Observatory

2,860,373

47 × 60859
Deficient Odd Composite

Starting at 2,860,373, the Collatz iteration reaches 1 after 120 steps. The first transition is 8581120; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 47 × 60859
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,921,280
Proper Divisor Sum 60,907
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #2860337 ← → #2860409

Radix Representation

Decimal 2860373
Binary 1010111010010101010101 (22 bits)
Octal 0o12722525
Hexadecimal 0x2BA555

Divisor Catalog (4)

1 47 60,859 2,860,373

Collatz Trajectory (120 steps to reach 1)

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

2,860,373 8,581,120 4,290,560 2,145,280 1,072,640 536,320 268,160 134,080 67,040 33,520 16,760 8,380 4,190 2,095 6,286 3,143 9,430 4,715 14,146 7,073 21,220 10,610 5,305 15,916 7,958 3,979 11,938 5,969 17,908 8,954 4,477 13,432 6,716 3,358 1,679 5,038 2,519 7,558 3,779 11,338 5,669 17,008 8,504 4,252 2,126 1,063 3,190 1,595 4,786 2,393 7,180 3,590 1,795 5,386 2,693 8,080 4,040 2,020 1,010 505

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