Properties of the Number 39908

Thirty-Nine Thousand Nine Hundred Eight

Basics

Value: 39907 → 39908 → 39909

Parity: even

Prime: No

Previous Prime: 39901

Next Prime: 39929

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 11 × 907

Divisors: 1, 2, 4, 11, 22, 44, 907, 1814, 3628, 9977

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101111100100

Octal: 115744

Duodecimal: 1B118

Hexadecimal: 9be4

Square: 1592648464

Square Root: 199.76986759769352

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of non-strict integer partitions of n with at least one part of odd multiplicity that is not the first or last. A349796

Irregular triangle read by rows: T(n,k) is the number of degree-n permutations without overlaps which furnish k new permutations without overlaps upon the addition of an (n+1)st element, 2 <= k <= 1 + floor(n/2). A259689

Sequence S with property (making all terms distinct) that (i) a(1)=3, (ii) for n in S, a(n)=a(1)+a(2)+...+a(n-1), (iii) for n not in S, a(n)=the smallest number different from a(1), ..., a(n-1) not breaking condition (ii). A121174

a(n) = 2662·n - 22. A157609

Leading diagonal of triangle in A259689: a(n)= number of permutations without overlaps that generate exactly 2 permutations without overlaps in a(n+1). A260785

Numbers k such that abs(prime(k)-k*τ(k)) < sqrt(k). A68543

The growth series for the affine Weyl group F₄. A266784

Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero. A298772

Number of permutations of floor(i·9/7), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique. A147942

Number of permutations of floor(i·9/7), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique. A147951