Properties of the Number 19069

Nineteen Thousand Sixty-Nine

Basics

Value: 19068 → 19069 → 19070

Parity: odd

Prime: Yes

Previous Prime: 19051

Next Prime: 19073

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 19069

Divisors: 1, 19069

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101001111101

Octal: 45175

Duodecimal: B051

Hexadecimal: 4a7d

Square: 363626761

Square Root: 138.0905500025255

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 compositions [p(1), p(2), ..., p(k)] of n such that p(j) <= 2·p(j-1) and p(j-1) <= 2·p(j). A224957

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[4, 6, 2]; short d-string notation of pattern = [462]. A78851

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000101 00010001 or 00010101. A260609

Numbers k such that 27·2^k-1 is prime. A50539

Primes which are the fourth element of a generalized Wieferich sequence. A179400

Primes p such that the differences between the 5 consecutive primes starting with p are (4,6,2,6). A78955

Numbers k such that log(A156668(k)*(1 + k mod 2))/k² is smaller than for any prior k. A186082

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 98 ones. A31866

Primes p such that the sum of the digits of p is not prime, but the sum of each digit raised to the 4th power is prime. A91368

Expansion of 1/((1-x)(1-x-x²)(1-x-x²-x³)). A95681