Properties of the Number 38872

Thirty-Eight Thousand Eight Hundred Seventy-Two

Basics

Value: 38871 → 38872 → 38873

Parity: even

Prime: No

Previous Prime: 38867

Next Prime: 38873

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 43 × 113

Divisors: 1, 2, 4, 8, 43, 86, 113, 172, 226, 344

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001011111011000

Octal: 113730

Duodecimal: 1A5B4

Hexadecimal: 97d8

Square: 1511032384

Square Root: 197.1598336375845

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

a(n) = (n+1)*(n²+n+2)/2; g.f.: (1 + 2·x²) / (1 - x)⁴. A6000

Numbers k such that k | 7^k + 7. A15893

a(n) = ∑_k=1..n lcm(n,k). A51193

a(n) = 3·a(n-1) + 5·a(n-2), with a(0)=1, a(1)=1. A72264

Triangle read by rows: T(n, k) is the number of nonequivalent ways to select k disjoint point triples from an n X n X n triangular point grid, each point triple forming a 2 X 2 X 2 triangle. A289229

a(n) = prime(2ⁿ)-1. A18249

Number of nonequivalent ways to select 4 disjoint point triples from an n X n X n triangular point grid, each point triple forming a 2 X 2 X 2 triangle. A289231

Integer coefficients of a power series A(x) such that A(x)³ = A083349(x). A83350

The fifth term of the greedy B_n set of natural numbers. A369817

Triangle, read by rows, where row n equals the inverse binomial transform of column n in the rectangular table A124530. A124539