λ
Integer Codex

631,189

13 × 23 × 2111
Deficient Odd Composite

For 631,189, the 8 positive divisors have a total of 709,632. Removing 631,189 leaves 78,443, which gives the deficient classification.

Prime Factor Structure

Factorization String 13 × 23 × 2111
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 709,632
Proper Divisor Sum 78,443
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #631187 ← → #631223

Radix Representation

Decimal 631189
Binary 10011010000110010101 (20 bits)
Octal 0o2320625
Hexadecimal 0x9A195

Divisor Catalog (8)

1 13 23 299 2,111 27,443 48,553 631,189

Collatz Trajectory (66 steps to reach 1)

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

631,189 1,893,568 946,784 473,392 236,696 118,348 59,174 29,587 88,762 44,381 133,144 66,572 33,286 16,643 49,930 24,965 74,896 37,448 18,724 9,362 4,681 14,044 7,022 3,511 10,534 5,267 15,802 7,901 23,704 11,852 5,926 2,963 8,890 4,445 13,336 6,668 3,334 1,667 5,002 2,501 7,504 3,752 1,876 938 469 1,408 704 352 176 88 44 22 11 34 17 52 26 13 40 20

More profiles

← Previous Integer #631,188 Browse Full Index Next Integer #631,190 →