λ
Sequence Observatory

48,245

5 × 9649
Deficient Odd Composite

Starting at 48,245, the Collatz iteration reaches 1 after 96 steps. The first transition is 144736; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 9649
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 57,900
Proper Divisor Sum 9,655
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #48239 ← → #48247

Radix Representation

Decimal 48245
Binary 1011110001110101 (16 bits)
Octal 0o136165
Hexadecimal 0xBC75

Divisor Catalog (4)

1 5 9,649 48,245

Collatz Trajectory (96 steps to reach 1)

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

48,245 144,736 72,368 36,184 18,092 9,046 4,523 13,570 6,785 20,356 10,178 5,089 15,268 7,634 3,817 11,452 5,726 2,863 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437 16,312 8,156 4,078 2,039 6,118 3,059 9,178 4,589 13,768 6,884 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360 2,180 1,090 545 1,636 818 409 1,228 614 307

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