Properties of the Number -18701

Eighteen Thousand Seven Hundred One

Basics

Value: -18702 → -18701 → -18700

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 18701

Divisors: 1, 18701

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100100001101

Octal: -44415

Duodecimal: -A9A5

Hexadecimal: -490d

Square: 349727401

Square Root: 136.75159962501354

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

Numbers that are the sum of 5 positive 7th powers. A3372

Coordination sequence for (2,3,9) tiling of hyperbolic plane. A265059

Balanced primes of order four. A82079

a(n) = ∑_k=1..n k*σ(k). A143128

T(n,k)=1/8 the number of (n+1)X(k+1) 0..3 arrays with all 2X2 subblock sums the same. A184029

Sum of the third largest parts in the partitions of n into 8 parts. A308996

Noncomposite numbers in the southern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American. A168027

G.f.: ∑_k>=1 (k³ * x^k² / ∏_j=1..k (1 - x^j)). A333151

Larger of emirp pairs whose digital sums are also emirps (A178091). A178093

Primes such that successive differences are distinct palindromes. A87582