λ
Math Directory

1,263,908

22 × 315977
Deficient Even Composite

1,263,908 factors as 2^2 × 315977. Its 6 positive divisors give a proper-divisor sum of 947,938, so this integer is deficient. The Collatz stopping time is 217 steps.

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Prime Factor Structure

Factorization String 2^2 × 315977
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 2,211,846
Proper Divisor Sum 947,938
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #1263887 ← → #1263917

Radix Representation

Decimal 1263908
Binary 100110100100100100100 (21 bits)
Octal 0o4644444
Hexadecimal 0x134924

Divisor Catalog (5 of 6)

1 2 4 315,977 631,954

Collatz Trajectory (217 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.

1,263,908 631,954 315,977 947,932 473,966

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