Properties of the Number -23842

Twenty-Three Thousand Eight Hundred Forty-Two

Basics

Value: -23843 → -23842 → -23841

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 7 × 13 × 131

Divisors: 1, 2, 7, 13, 14, 26, 91, 131, 182, 262

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101110100100010

Octal: -56442

Duodecimal: -1196A

Hexadecimal: -5d22

Square: 568440964

Square Root: 154.40854898612318

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

a(n) = ∑_k=0..n A109613(k)*A005843(n-k). A171218

4-step Fibonacci sequence starting with 1, 1, 1, 0. A251705

Row sums of number triangle A116382. A116383

Table of Encoded Bell Multisets using A064553 (cf. A129305). A130274

a(n) = (2·n³ + 5·n² - 5·n)/2. A162265

Number of 4-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero and first differences in -n..n. A208995

Triangle read by rows: T(n,k) is the number of n-tuples with sum k + n whose i-th element is a positive integer <= prime(i), 0 <= k < A070826(n). A239738

Number of n-move self-avoiding knight paths on 6x6 board, beginning at corner. A25590

Numbers m such that m² + 3^k is prime for k = 1, 2, 3. A177173