Properties of the Number 19157

Nineteen Thousand One Hundred Fifty-Seven

Basics

Value: 19156 → 19157 → 19158

Parity: odd

Prime: Yes

Previous Prime: 19141

Next Prime: 19163

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 19157

Divisors: 1, 19157

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101011010101

Octal: 45325

Duodecimal: B105

Hexadecimal: 4ad5

Square: 366990649

Square Root: 138.4088147481944

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

Home primes whose homeliness is greater than 3. A133961

Home primes whose homeliness is 4. A133962

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001001. A260294

Numbers that are the sum of eight fourth powers in eight or more ways. A345583

Numbers that are the sum of eight fourth powers in exactly eight ways. A345840

Number of tilings of a 5 X n rectangle using n pentominoes of shapes P, I, X. A264812

An unrestricted partition statistic: sum of A179864 over row n. A179862

Principal diagonal of the convolution array A213756. A213757

Denominators of continued fraction convergents to sqrt(384). A41729

Let n range through the odd numbers skipping multiples of 5; a(n) = n-th prime ending in n. A89779