Properties of the Number 38890

Thirty-Eight Thousand Eight Hundred Ninety

Basics

Value: 38889 → 38890 → 38891

Parity: even

Prime: No

Previous Prime: 38873

Next Prime: 38891

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 3889

Divisors: 1, 2, 5, 10, 3889, 7778, 19445, 38890

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011111101010

Octal: 113752

Duodecimal: 1A60A

Hexadecimal: 97ea

Square: 1512432100

Square Root: 197.20547659738054

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 permutations on {1,...,n} containing any given pattern α in the symmetric group S₃. A56986

Main diagonal of array in A358304, divided by 2. A358307

Number of permutations T(n,k) in S_n containing an increasing subsequence of length k; triangle T(n,k), n>=1, 1<=k<=n, read by rows. A214152

Number of zeros in numbers 0 to 999..9 (n digits). A33714

Number of labeled commutative monoids of order n with a fixed identity. A58156

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 43. A31631

Natural position of n in the string 12345678910111213.... A117804

Primes p such that 17 is not a square mod p. A38890