λ
Harmonic Matrix

4,002,146

2 × 2001073
Deficient Even Composite

4,002,146 has digital root 8. The neighboring primes are 4002143 and 4002169; its proper-divisor sum differs from the starting integer by -2,001,070.

Prime Factor Structure

Factorization String 2 × 2001073
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,003,222
Proper Divisor Sum 2,001,076
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #4002143 ← → #4002169

Radix Representation

Decimal 4002146
Binary 1111010001000101100010 (22 bits)
Octal 0o17210542
Hexadecimal 0x3D1162

Divisor Catalog (4)

1 2 2,001,073 4,002,146

Collatz Trajectory (366 steps to reach 1)

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

4,002,146 2,001,073 6,003,220 3,001,610 1,500,805 4,502,416 2,251,208 1,125,604 562,802 281,401 844,204 422,102 211,051 633,154 316,577 949,732 474,866 237,433 712,300 356,150 178,075 534,226 267,113 801,340 400,670 200,335 601,006 300,503 901,510 450,755 1,352,266 676,133 2,028,400 1,014,200 507,100 253,550 126,775 380,326 190,163 570,490 285,245 855,736 427,868 213,934 106,967 320,902 160,451 481,354 240,677 722,032 361,016 180,508 90,254 45,127 135,382 67,691 203,074 101,537 304,612 152,306

More profiles

← Previous Integer #4,002,145 Browse Full Index Next Integer #4,002,147 →