λ
Sigma Notebook
191
191
Deficient Odd Prime

Prime Factor Structure

Factorization String 191
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 192
Proper Divisor Sum 1
Digit Sum / Digital Root 11 (Root: 2)
Adjacent Primes #181 ← → #193

Radix Representation

Decimal 191
Binary 10111111 (8 bits)
Octal 0o277
Hexadecimal 0xBF

Divisor Catalog (2)

1 191

Collatz Trajectory (44 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.

← Previous Integer #190 Browse Full Index Next Integer #192 →