Properties of the Number 19469

Nineteen Thousand Four Hundred Sixty-Nine

Basics

Value: 19468 → 19469 → 19470

Parity: odd

Prime: Yes

Previous Prime: 19463

Next Prime: 19471

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 19469

Divisors: 1, 19469

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110000001101

Octal: 46015

Duodecimal: B325

Hexadecimal: 4c0d

Square: 379041961

Square Root: 139.5313584826006

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

Indices of prime Lucas numbers. A1606

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=[2, 6,6]; short d-string notation of pattern = [266]. A78849

Primes p such that the number of distinct prime divisors of all composite numbers between p and the next prime is 5. A75585

Primes of the form k² + k + 9. A27758

In binary representation: numbers not occurring in their factorial. A93685

Prime differences of tribonacci numbers. A113239

Total number of consecutive triples matching the pattern 123 in all faro permutations of length n. A340569

Numbers k such that floor(φ^k) is prime, where φ is the golden ratio. A59791

Primes congruent to 58 mod 59. A142785

Primes p such that continued fraction of (1 + sqrt(p))/2 has period 9: primes in A143577. A146354