λ
Sigma Notebook
647
647
Deficient Odd Prime

Prime Factor Structure

Factorization String 647
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 648
Proper Divisor Sum 1
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #643 ← → #653

Radix Representation

Decimal 647
Binary 1010000111 (10 bits)
Octal 0o1207
Hexadecimal 0x287

Divisor Catalog (2)

1 647

Collatz Trajectory (38 steps to reach 1)

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

Active Feeder Network

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.

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