λ
Sequence Observatory

3,457,931

29 × 43 × 47 × 59
Deficient Odd Composite

Starting at 3,457,931, the Collatz iteration reaches 1 after 252 steps. The first transition is 10373794; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 29 × 43 × 47 × 59
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 3,801,600
Proper Divisor Sum 343,669
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #3457921 ← → #3457967

Radix Representation

Decimal 3457931
Binary 1101001100001110001011 (22 bits)
Octal 0o15141613
Hexadecimal 0x34C38B

Divisor Catalog (16)

1 29 43 47 59 1,247 1,363 1,711 2,021 2,537 2,773 58,609 73,573 80,417 119,239 3,457,931

Collatz Trajectory (252 steps to reach 1)

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

3,457,931 10,373,794 5,186,897 15,560,692 7,780,346 3,890,173 11,670,520 5,835,260 2,917,630 1,458,815 4,376,446 2,188,223 6,564,670 3,282,335 9,847,006 4,923,503 14,770,510 7,385,255 22,155,766 11,077,883 33,233,650 16,616,825 49,850,476 24,925,238 12,462,619 37,387,858 18,693,929 56,081,788 28,040,894 14,020,447 42,061,342 21,030,671 63,092,014 31,546,007 94,638,022 47,319,011 141,957,034 70,978,517 212,935,552 106,467,776 53,233,888 26,616,944 13,308,472 6,654,236 3,327,118 1,663,559 4,990,678 2,495,339 7,486,018 3,743,009 11,229,028 5,614,514 2,807,257 8,421,772 4,210,886 2,105,443 6,316,330 3,158,165 9,474,496 4,737,248

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