Properties of the Number 38891

Thirty-Eight Thousand Eight Hundred Ninety-One

Basics

Value: 38890 → 38891 → 38892

Parity: odd

Prime: Yes

Previous Prime: 38873

Next Prime: 38903

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 38891

Divisors: 1, 38891

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001011111101011

Octal: 113753

Duodecimal: 1A60B

Hexadecimal: 97eb

Square: 1512509881

Square Root: 197.2080120076261

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) = prime(2ⁿ + 1). A51439

Prime number spiral (clockwise, Southeast spoke). A54564

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 453", based on the 5-celled von Neumann neighborhood. A282302

Decreasing partition array based on the tails of the Champernowne constant (A033307); see Comments. A389575

Number of (w,x,y,z) with all terms in {0,...,n} and w=max{w,x,y,z}-min{w,x,y,z}; i.e., the range of (w,x,y,z) is its first term. A212744

Primes p such that 2·p + 59 is a square. A269789

Odd primes p such that 19 is a square mod p. A38891