Properties of the Number 19422

Nineteen Thousand Four Hundred Twenty-Two

Basics

Value: 19421 → 19422 → 19423

Parity: even

Prime: No

Previous Prime: 19421

Next Prime: 19423

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 13 × 83

Divisors: 1, 2, 3, 6, 9, 13, 18, 26, 39, 78

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101111011110

Octal: 45736

Duodecimal: B2A6

Hexadecimal: 4bde

Square: 377214084

Square Root: 139.3628357920432

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 degree n products of distinct cyclotomic polynomials. A280611

Partial sums of cuban primes A002407, that is, primes equal to the difference of two consecutive cubes. A221793

Consecutive states of the linear congruential pseudo-random number generator (419·s + 6173) mod 29282 when started at s=1. A385036

Number of primitive (aperiodic) palindromes using a maximum of three different symbols. A56459

Numbers k for which 8·k+1, 8·k+5, 8·k+7 and 8·k+11 are primes. A123983

6n-1,6n+1, 6n+5, 6n+7 are all primes. That is they are adjacent pairs of twin primes. A178145

Numbers n such that n is the average of four consecutive primes n-5, n-1, n+1 and n+5. A258088

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 813", based on the 5-celled von Neumann neighborhood. A273640

Numbers k > 0 such that either 3·k+4, k-2, k+2, n+k or 3·k+5, k-1, k+1, k+5 are all primes. A290130

∑_k=2..n min(k,n-k)*φ(k)*(n-k). A92274