Properties of the Number -21834

Twenty-One Thousand Eight Hundred Thirty-Four

Basics

Value: -21835 → -21834 → -21833

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 1213

Divisors: 1, 2, 3, 6, 9, 18, 1213, 2426, 3639, 7278

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101010101001010

Octal: -52512

Duodecimal: -10776

Hexadecimal: -554a

Square: 476723556

Square Root: 147.763324272297

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 (n+2)X(k+2) 0..2 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order. A185477

Triangle generated by the recurrence T(n+1,k+1) = T(n,k+1) + n·T(n,k) + δ(n,k) with the initial values T(n,0) = 1 and T(0,k) = δ(k,0), where δ(n,k) is the Kronecker δ. A191490

Number of partitions of n, where the difference between the number of odd parts and the number of even parts is 10. A240019

The number of positive integers below the (n+1)-st primorial number that are the product of exactly n distinct primes. A393006

L-th order palindromes with L > 2. A89381

Intersection of A108027, A108028, A108029 and A108030. A108109

Number of binary strings of length n with equal numbers of 0001 and 0111 substrings. A164160

Number of (n+2)X(n+2) 0..2 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order. A185468

Number of (n+2)X4 0..2 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order. A185470

Numbers whose base-2 representation has exactly 14 runs. A43581