Properties of the Number -38509

Thirty-Eight Thousand Five Hundred Nine

Basics

Value: -38510 → -38509 → -38508

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 97 × 397

Divisors: 1, 97, 397, 38509

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1001011001101101

Octal: -113155

Duodecimal: -1A351

Hexadecimal: -966d

Square: 1482943081

Square Root: 196.23710148695125

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

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column. A251467

Consider all integer triples (i,j,k), j >= k > 0, with binomial(i+2,3)=j³+k³, ordered by increasing i; sequence gives j values. A54206

Indices where the cumulative sum of cos(2k+1)^2k+1 reaches a record high value. A389559

Scale factor by which primitive Pythagorean triangle {x=A088509(n), y=A088510(n), z=A088511(n)} needs be enlarged in order to circumscribe the smallest integral square having a side on the hypotenuse. A88544

Number of integer compositions of n that match the dashed pattern 3-12. A375406

Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column. A251461

Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column. A251464

Semiprimes k such that k+4, k+6, k+9, k+10 and k+14 are also semiprimes. A360666

Numbers k such that k + 4, k + 6, k + 9, k + 10, and k + 14 are all semiprimes, where 4, 6, 9, 10, 14 are the first 5 semiprimes. A365240

Numbers k that divide the k-th Domb number. A372941