Properties of the Number -47515

Forty-Seven Thousand Five Hundred Fifteen

Basics

Value: -47516 → -47515 → -47514

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 13 × 17 × 43

Divisors: 1, 5, 13, 17, 43, 65, 85, 215, 221, 559

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011100110011011

Octal: -134633

Duodecimal: -235B7

Hexadecimal: -b99b

Square: 2257675225

Square Root: 217.97935682077787

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

Number of benzenoids with 21 hexagons, C_2h symmetry and containing 2n carbon atoms. A121964

a(n) = ∑_k=1..n gcd(n,k)ⁿ. A332517

Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = ∑_j=1..n gcd(j, n)^k. A343510

Triangle read by rows: T(n,k) = number of heapable permutations of length n whose longest decreasing subsequence has length k. A390146

a(n) = ∑_k=1..n gcd(k, n)⁶. A343508

Quasi-Carmichael numbers to base -5: squarefree composites n such that prime p∣n ==> p+5∣n+5. A29565

a(n) = numerator of constant λ(n) involved in a recurrence for the Atkin polynomials A_k(j). A145226

Number of partitions of n into parts not of the form 23k, 23k+10 or 23k-10. Also number of partitions with at most 9 parts of size 1 and differences between parts at distance 10 are greater than 1. A35998

(Terms in A028273)/2. A51298