2,426,661

3² × 19 × 23 × 617

2,426,661 has digital root 9. The neighboring primes are 2426651 and 2426693; its proper-divisor sum differs from the starting integer by -997,002.

Prime Factor Structure

Factorization String 3^2 × 19 × 23 × 617

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 3,856,320

Proper Divisor Sum 1,429,659

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #2426651 ← → #2426693

Radix Representation

Decimal	2426661
Binary	1001010000011100100101 (22 bits)
Octal	0o11203445
Hexadecimal	0x250725

Divisor Catalog (24)

1 3 9 19 23 57 69 171 207 437 617 1,311 1,851 3,933 5,553 11,723 14,191 35,169 42,573 105,507 127,719 269,629 808,887 2,426,661

Collatz Trajectory (68 steps to reach 1)

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

2,426,661 7,279,984 3,639,992 1,819,996 909,998 454,999 1,364,998 682,499 2,047,498 1,023,749 3,071,248 1,535,624 767,812 383,906 191,953 575,860 287,930 143,965 431,896 215,948 107,974 53,987 161,962 80,981 242,944 121,472 60,736 30,368 15,184 7,592 3,796 1,898 949 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13

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