Properties of the Number 19423

Nineteen Thousand Four Hundred Twenty-Three

Basics

Value: 19422 → 19423 → 19424

Parity: odd

Prime: Yes

Previous Prime: 19421

Next Prime: 19427

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 19423

Divisors: 1, 19423

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100101111011111

Octal: 45737

Duodecimal: B2A7

Hexadecimal: 4bdf

Square: 377252929

Square Root: 139.36642350293704

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 followed by a [4,2,4] prime difference pattern of A001223. A52378

a(n) = 3·a(n-1) - 2·a(n-2) + a(n-3). A137531

Primes in which the digit string can be partitioned into three parts such that the sum of the first two is equal to the third, and the second part is nonzero. A88291

a(n) = a(n-2) + a(n-3), with a(0) = 0, a(1) = 1, a(2) = 2. A7307

Transform of the finite sequence (1, 0, -1) by the T_0,0 transformation. A159347

a(n) = prime(100·n). A31921

a(n) = n³ + 71·n + 1. A124363

Table read by rows: list of prime 5-tuples of the form (p, p+4, p+6, p+10, p+12). A270999

Positions of squares in A276573. A277014

Primes occurring in exactly three prime triples (p,q,r) with p<q<r=p+6. A98423