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Properties of the Number 19834

Nineteen Thousand Eight Hundred Thirty-Four

Basics

Value: 19833 → 19834 → 19835

Parity: even

Prime: No

Previous Prime: 19819

Next Prime: 19841

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 47 × 211

Divisors: 1, 2, 47, 94, 211, 422, 9917, 19834

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100110101111010

Octal: 46572

Duodecimal: B58A

Hexadecimal: 4d7a

Square: 393387556

Square Root: 140.8332347139694

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

T(n,k)=Number of 0..2 arrays of length n+2·k-1 with sum no more than 2·k in any length 2k subsequence (=50% duty cycle). A212232
T(n,k)=Number of length n+5 0..k arrays with no consecutive six elements summing to more than 3·k. A242144
Number A(n,k) of factorizations of mk into n factors, where m is a product of exactly n distinct primes and each factor is a product of k primes (counted with multiplicity); square array A(n,k), n>=0, k>=0, read by antidiagonals. A257463
Number of structurally isomeric homologs with molecular formula C3+n H6+2n. A63832
Smallest squarefree integer k such that Q(sqrt(k)) has class number n. A81363
Number of factorizations of m4 into n factors, where m is a product of exactly n distinct primes and each factor is a product of 4 primes (counted with multiplicity). A268668
a(n) = 20 + floor( (1 + ∑j=1..n-1 a(j)) / 2 ). A120145
Number of 0..2 arrays of length n+5 with sum no more than 6 in any length 6 subsequence (=50% duty cycle). A212227
Number of factorizations of mn into 5 factors, where m is a product of exactly 5 distinct primes and each factor is a product of n primes (counted with multiplicity). A253263
Indices of primes in sequence defined by A(0) = 87, A(n) = 10·A(n-1) - 13 for n > 0. A101072