λ
Match Zalai

1,421,151

3 × 577 × 821
Deficient Odd Composite

1,421,151 factors as 3 × 577 × 821. Its 8 positive divisors give a proper-divisor sum of 479,313, so this integer is deficient. The Collatz stopping time is 124 steps.

Prime Factor Structure

Factorization String 3 × 577 × 821
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 1,900,464
Proper Divisor Sum 479,313
Digit Sum / Digital Root 15 (Root: 6)
Adjacent Primes #1421141 ← → #1421153

Radix Representation

Decimal 1421151
Binary 101011010111101011111 (21 bits)
Octal 0o5327537
Hexadecimal 0x15AF5F

Divisor Catalog (8)

1 3 577 821 1,731 2,463 473,717 1,421,151

Collatz Trajectory (124 steps to reach 1)

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

1,421,151 4,263,454 2,131,727 6,395,182 3,197,591 9,592,774 4,796,387 14,389,162 7,194,581 21,583,744 10,791,872 5,395,936 2,697,968 1,348,984 674,492 337,246 168,623 505,870 252,935 758,806 379,403 1,138,210 569,105 1,707,316 853,658 426,829 1,280,488 640,244 320,122 160,061 480,184 240,092 120,046 60,023 180,070 90,035 270,106 135,053 405,160 202,580 101,290 50,645 151,936 75,968 37,984 18,992 9,496 4,748 2,374 1,187 3,562 1,781 5,344 2,672 1,336 668 334 167 502 251

More profiles

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