λ
Match Zalai

7,175,721

3 × 7 × 341701
Deficient Odd Composite

7,175,721 factors as 3 × 7 × 341701. Its 8 positive divisors give a proper-divisor sum of 3,758,743, so this integer is deficient. The Collatz stopping time is 142 steps.

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Prime Factor Structure

Factorization String 3 × 7 × 341701
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 10,934,464
Proper Divisor Sum 3,758,743
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #7175699 ← → #7175761

Radix Representation

Decimal 7175721
Binary 11011010111111000101001 (23 bits)
Octal 0o33277051
Hexadecimal 0x6D7E29

Divisor Catalog (5 of 8)

1 3 7 21 341,701

Collatz Trajectory (142 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

7,175,721 21,527,164 10,763,582 5,381,791 16,145,374

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