3,447,988

2² × 861997

3,447,988 has digital root 7. The neighboring primes are 3447971 and 3447989; its proper-divisor sum differs from the starting integer by -861,990.

Prime Factor Structure

Factorization String 2^2 × 861997

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 6,033,986

Proper Divisor Sum 2,585,998

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #3447971 ← → #3447989

Radix Representation

Decimal	3447988
Binary	1101001001110010110100 (22 bits)
Octal	0o15116264
Hexadecimal	0x349CB4

Divisor Catalog (6)

1 2 4 861,997 1,723,994 3,447,988

Collatz Trajectory (146 steps to reach 1)

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

3,447,988 1,723,994 861,997 2,585,992 1,292,996 646,498 323,249 969,748 484,874 242,437 727,312 363,656 181,828 90,914 45,457 136,372 68,186 34,093 102,280 51,140 25,570 12,785 38,356 19,178 9,589 28,768 14,384 7,192 3,596 1,798 899 2,698 1,349 4,048 2,024 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103

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