1,217,623

11² × 29 × 347

1,217,623 factors as 11^2 × 29 × 347. Its 12 positive divisors give a proper-divisor sum of 170,897, so this integer is deficient. The Collatz stopping time is 204 steps.

Prime Factor Structure

Factorization String 11^2 × 29 × 347

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,388,520

Proper Divisor Sum 170,897

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1217617 ← → #1217647

Radix Representation

Decimal	1217623
Binary	100101001010001010111 (21 bits)
Octal	0o4512127
Hexadecimal	0x129457

Divisor Catalog (12)

1 11 29 121 319 347 3,509 3,817 10,063 41,987 110,693 1,217,623

Collatz Trajectory (204 steps to reach 1)

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

1,217,623 3,652,870 1,826,435 5,479,306 2,739,653 8,218,960 4,109,480 2,054,740 1,027,370 513,685 1,541,056 770,528 385,264 192,632 96,316 48,158 24,079 72,238 36,119 108,358 54,179 162,538 81,269 243,808 121,904 60,952 30,476 15,238 7,619 22,858 11,429 34,288 17,144 8,572 4,286 2,143 6,430 3,215 9,646 4,823 14,470 7,235 21,706 10,853 32,560 16,280 8,140 4,070 2,035 6,106 3,053 9,160 4,580 2,290 1,145 3,436 1,718 859 2,578 1,289

More profiles

Browse other published profiles and their separate link collections.

Profile #8,342,168 Profile #1,146,956 Profile #9,712,347 Profile #6,573,969 Profile #965,653 Profile #4,620,983 Profile #853,259 Profile #1,288,150

← Previous Integer #1,217,622 Browse Full Index Next Integer #1,217,624 →