λ
Sequence Observatory

4,290,079

4290079
Deficient Odd Prime

Starting at 4,290,079, the Collatz iteration reaches 1 after 136 steps. The first transition is 12870238; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 4290079
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 4,290,080
Proper Divisor Sum 1
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #4290071 ← → #4290089

Radix Representation

Decimal 4290079
Binary 10000010111011000011111 (23 bits)
Octal 0o20273037
Hexadecimal 0x41761F

Divisor Catalog (2)

Collatz Trajectory (136 steps to reach 1)

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

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