618,622

2 × 309311

618,622 has digital root 7. The neighboring primes are 618619 and 618637; its proper-divisor sum differs from the starting integer by -309,308.

Prime Factor Structure

Factorization String 2 × 309311

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 927,936

Proper Divisor Sum 309,314

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #618619 ← → #618637

Radix Representation

Decimal	618622
Binary	10010111000001111110 (20 bits)
Octal	0o2270176
Hexadecimal	0x9707E

Divisor Catalog (4)

1 2 309,311 618,622

Collatz Trajectory (172 steps to reach 1)

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

618,622 309,311 927,934 463,967 1,391,902 695,951 2,087,854 1,043,927 3,131,782 1,565,891 4,697,674 2,348,837 7,046,512 3,523,256 1,761,628 880,814 440,407 1,321,222 660,611 1,981,834 990,917 2,972,752 1,486,376 743,188 371,594 185,797 557,392 278,696 139,348 69,674 34,837 104,512 52,256 26,128 13,064 6,532 3,266 1,633 4,900 2,450 1,225 3,676 1,838 919 2,758 1,379 4,138 2,069 6,208 3,104 1,552 776 388 194 97 292 146 73 220 110

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