λ
Ratio Atlas

290,707

290707
Deficient Odd Prime

290,707 factors as 290707. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 158 steps.

Prime Factor Structure

Factorization String 290707
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 290,708
Proper Divisor Sum 1
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #290701 ← → #290711

Radix Representation

Decimal 290707
Binary 1000110111110010011 (19 bits)
Octal 0o1067623
Hexadecimal 0x46F93

Divisor Catalog (2)

Collatz Trajectory (158 steps to reach 1)

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

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