λ
Harmonic Matrix

2,864,131

881 × 3251
Deficient Odd Composite

2,864,131 has digital root 7. The neighboring primes are 2864129 and 2864149; its proper-divisor sum differs from the starting integer by -2,859,998.

Prime Factor Structure

Factorization String 881 × 3251
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,868,264
Proper Divisor Sum 4,133
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #2864129 ← → #2864149

Radix Representation

Decimal 2864131
Binary 1010111011010000000011 (22 bits)
Octal 0o12732003
Hexadecimal 0x2BB403

Divisor Catalog (4)

1 881 3,251 2,864,131

Collatz Trajectory (120 steps to reach 1)

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

2,864,131 8,592,394 4,296,197 12,888,592 6,444,296 3,222,148 1,611,074 805,537 2,416,612 1,208,306 604,153 1,812,460 906,230 453,115 1,359,346 679,673 2,039,020 1,019,510 509,755 1,529,266 764,633 2,293,900 1,146,950 573,475 1,720,426 860,213 2,580,640 1,290,320 645,160 322,580 161,290 80,645 241,936 120,968 60,484 30,242 15,121 45,364 22,682 11,341 34,024 17,012 8,506 4,253 12,760 6,380 3,190 1,595 4,786 2,393 7,180 3,590 1,795 5,386 2,693 8,080 4,040 2,020 1,010 505

More profiles

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