Properties of the Number -23782

Twenty-Three Thousand Seven Hundred Eighty-Two

Basics

Value: -23783 → -23782 → -23781

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 11 × 23 × 47

Divisors: 1, 2, 11, 22, 23, 46, 47, 94, 253, 506

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101110011100110

Octal: -56346

Duodecimal: -1191A

Hexadecimal: -5ce6

Square: 565583524

Square Root: 154.21413683576483

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

Sum of 12 positive 9th powers. A4801

Numbers k such that k² divides 21^k-1. A128401

Numbers n such that the decimal expansions of both n and n² have 2 as smallest digit and 8 as largest digit. A257368

Number of integer-sided pentagons having perimeter n, modulo rotations but not reflections. A293822

Number of partitions p of n such that 3·min(p) is a part of p. A238590

a(n) = n*(2·n² + 5·n + 3). A163815

Composite squarefree numbers n such that p(i)-8 divides n+8, where p(i) are the prime factors of n. A225708

a(n) = ∑_k=0..n binomial(3·k, k) * p(k), where p(k) is the partition function A000041. A356286

Numbers k such that 3·10^k + 13 is prime. A290473

Number of permutations of [n] avoiding {1324, 1342, 3421}. A294807