λ
Ratio Atlas

2,777,149

2777149
Deficient Odd Prime

2,777,149 factors as 2777149. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 187 steps.

Prime Factor Structure

Factorization String 2777149
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 2,777,150
Proper Divisor Sum 1
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #2777143 ← → #2777161

Radix Representation

Decimal 2777149
Binary 1010100110000000111101 (22 bits)
Octal 0o12460075
Hexadecimal 0x2A603D

Divisor Catalog (2)

Collatz Trajectory (187 steps to reach 1)

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

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