Properties of the Number -213360

Two Hundred Thirteen Thousand Three Hundred Sixty

Basics

Value: -213361 → -213360 → -213359

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ⁴ × 3 × 5 × 7 × 127

Divisors: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100000101110000

Octal: -640560

Duodecimal: -A3580

Hexadecimal: -34170

Square: 45522489600

Square Root: 461.9090819631067

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

G.f.: q * ∏_m>=1 (1-q^m)⁸*(1-q^2m)⁸. A2288

Expansion of q * (φ(q) * ψ(-q))⁸ in powers of q where φ(), ψ() are Ramanujan θ functions. A216711

Smallest number having exactly n divisors that are not greater than the number's greatest prime factor. A87134

Smallest number k such that prime(n) is the n-th divisor of k. A221647

At these values of k, the 1st, 2nd, 3rd and 4th cyclotomic polynomials all give prime numbers. A70025

Smallest number whose largest odd noncomposite divisor is its n-th divisor. A384232

Numbers k such that A380845(k)/k > A380845(m)/m for all m < k. A381070

Number of n X 4 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 4 array. A219515