Properties of the Number 19249

Nineteen Thousand Two Hundred Forty-Nine

Basics

Value: 19248 → 19249 → 19250

Parity: odd

Prime: Yes

Previous Prime: 19237

Next Prime: 19259

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 19249

Divisors: 1, 19249

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101100110001

Octal: 45461

Duodecimal: B181

Hexadecimal: 4b31

Square: 370524001

Square Root: 138.74076545846214

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

Primes of the form p(k)² + q(m)² with k > 0 and m > 0, where p(.) is the partition function (A000041), and q(.) is the strict partition function (A000009). A233346

Number of subsets of {1..n} with elements disjoint from first differences of elements. A364463

Primes p such that A001175(p) = (p-1)/6. A308791

Primes p such that the sum of the digits of p is not prime, but the sum of the cubes of the digits of p is prime. A91365

Primes of the form abs(-66n³ + 3845n² - 60897n + 251831) in order of increasing nonnegative n. A272438

Numbers k such that k·2^m+1 are composites for all exponents m in the range 0<=m<=k. A61153

Primes for which the weight as defined in A117078 is 11 and the gap as defined in A001223 is 10. A119596

Primes congruent to 15 mod 59. A142742

Numbers n such that n-+1 are divisible by exactly 6 primes, counted with multiplicity. A157486

Start with a(1) = 1, a(2) = 3, then a(n)*2^k = a(n+1) + a(n+2), with 2^k the smallest power of 2 (k>0) such that all terms a(n) are positive integers. A233526