λ
Math Directory

1,138,258

2 × 11 × 31 × 1669
Deficient Even Composite

1,138,258 factors as 2 × 11 × 31 × 1669. Its 16 positive divisors give a proper-divisor sum of 785,582, so this integer is deficient. The Collatz stopping time is 129 steps.

Resources

JSON

Prime Factor Structure

Factorization String 2 × 11 × 31 × 1669
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 1,923,840
Proper Divisor Sum 785,582
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #1138237 ← → #1138273

Radix Representation

Decimal 1138258
Binary 100010101111001010010 (21 bits)
Octal 0o4257122
Hexadecimal 0x115E52

Divisor Catalog (5 of 16)

1 2 11 22 31

Collatz Trajectory (129 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.

1,138,258 569,129 1,707,388 853,694 426,847

More profiles

← Previous Integer #1,138,257 Browse Full Index Next Integer #1,138,259 →