Properties of the Number 38700

Thirty-Eight Thousand Seven Hundred

Basics

Value: 38699 → 38700 → 38701

Parity: even

Prime: No

Previous Prime: 38699

Next Prime: 38707

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 ² × 43

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001011100101100

Octal: 113454

Duodecimal: 1A490

Hexadecimal: 972c

Square: 1497690000

Square Root: 196.72315572906

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

Exponential abundant numbers: integers k for which A126164(k) > k, or equivalently for which A051377(k) > 2k. A129575

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum. A185856

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the difference of the maximum and minimum in each 2X2 subblock. A236055

Exponential unitary abundant numbers: numbers k such that A322857(k) > 2·k. A383693

Numbers that have exactly three exponents in their prime factorization that are equal to 2. A386798

Exponential admirable numbers: numbers k such that there is a proper exponential divisor d of k such that esigma(k) - 2·d = 2·k, where esigma is the sum of exponential divisors function (A051377). A336680

Exponential squarefree exponential abundant numbers: numbers k such that A361174(k) > 2·k. A383697

Cubefree exponential abundant numbers: cubefree numbers k for which A051377(k) > 2·k. A391427

a(n) = (17 - 2·n)*n². A15234

Numbers k such that 7·10^k + 3·R_k - 2 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A103055