21,181,232

2⁴ × 541 × 2447

21,181,232 factors as 2^4 × 541 × 2447. Its 20 positive divisors give a proper-divisor sum of 19,950,064, so this integer is deficient. The Collatz stopping time is 159 steps.

Prime Factor Structure

Factorization String 2^4 × 541 × 2447

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 41,131,296

Proper Divisor Sum 19,950,064

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #21181189 ← → #21181267

Radix Representation

Decimal	21181232
Binary	1010000110011001100110000 (25 bits)
Octal	0o120631460
Hexadecimal	0x1433330

Divisor Catalog (20)

Collatz Trajectory (159 steps to reach 1)

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

21,181,232 10,590,616 5,295,308 2,647,654 1,323,827 3,971,482 1,985,741 5,957,224 2,978,612 1,489,306 744,653 2,233,960 1,116,980 558,490 279,245 837,736 418,868 209,434 104,717 314,152 157,076 78,538 39,269 117,808 58,904 29,452 14,726 7,363 22,090 11,045 33,136 16,568 8,284 4,142 2,071 6,214 3,107 9,322 4,661 13,984 6,992 3,496 1,748 874 437 1,312 656 328 164 82 41 124 62 31 94 47 142 71 214 107

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 #21,181,231 Browse Full Index Next Integer #21,181,233 →