Properties of the Number -24807

Twenty-Four Thousand Eight Hundred Seven

Basics

Value: -24808 → -24807 → -24806

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 8269

Divisors: 1, 3, 8269, 24807

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110000011100111

Octal: -60347

Duodecimal: -12433

Hexadecimal: -60e7

Square: 615387249

Square Root: 157.5023809343846

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

Expansion of ∏_k>=1 (1 - q(k)*x^k), where q(k) = number of partitions of k into distinct parts (A000009). A304786

a(n) = p² + p + 1 where p runs through the primes. A60800

Numbers whose square is a zeroless pandigital number (i.e., use the digits 1 through 9 once). A71519

Number of integer compositions of n that are the first sums of more than one composition. A391628

Array read by antidiagonals: T(m,n) is the number of independent sets in the stacked prism graph C_m X P_n. A286513

Number of endofunctions on [n] whose cycle lengths are triangular numbers. A305824

a(1) = 1, a(n) = 2·a(n-1) + a([n/2]). A33489

a(n) = C(n-2,2)+C(n-5,5)+...+C(n-(3·floor((n-3)/3)+2),3·floor((n-3)/3)+2). A101551

Length of period of Narayana sequence A000930 modulo n-th prime. A271901

a(n) is the minimum positive integer k such that the concatenation of k, a(n-1), a(n-2), ..., a(2), and a(1) is the lesser of a pair of twin primes (i.e., a term of A001359), with a(1) = 11. A350246