λ
Integer Codex

398,946

2 × 3 × 66491
Abundant Even Composite

For 398,946, the 8 positive divisors have a total of 797,904. Removing 398,946 leaves 398,958, which gives the abundant classification.

Prime Factor Structure

Factorization String 2 × 3 × 66491
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 797,904
Proper Divisor Sum 398,958
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #398941 ← → #398969

Radix Representation

Decimal 398946
Binary 1100001011001100010 (19 bits)
Octal 0o1413142
Hexadecimal 0x61662

Divisor Catalog (8)

1 2 3 6 66,491 132,982 199,473 398,946

Collatz Trajectory (117 steps to reach 1)

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

398,946 199,473 598,420 299,210 149,605 448,816 224,408 112,204 56,102 28,051 84,154 42,077 126,232 63,116 31,558 15,779 47,338 23,669 71,008 35,504 17,752 8,876 4,438 2,219 6,658 3,329 9,988 4,994 2,497 7,492 3,746 1,873 5,620 2,810 1,405 4,216 2,108 1,054 527 1,582 791 2,374 1,187 3,562 1,781 5,344 2,672 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425

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