Properties of the Number -4970

Nine Hundred Seventy

Basics

Value: -4971 → -4970 → -4969

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 7 × 71

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 71, 142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001101101010

Octal: -11552

Duodecimal: -2A62

Hexadecimal: -136a

Square: 24700900

Square Root: 70.49822692805827

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. A(x) satisfies: 4ⁿ/2 = ∑_k=0..n [x^k]A(x)ⁿ and also satisfies: ((4+z)ⁿ + zⁿ)/2 = ∑_k=0..n [x^k](A(x)+z·x)ⁿ for all z, where [x^k]A(x)ⁿ denotes the coefficient of x^k in A(x)ⁿ. A100240

a(n) = 2·n*(2·n+1). A2943

Product of a prime and the previous number. A36689

a(n) = n*(13·n - 9)/2. A226488

Numbers m such that there are precisely 18 groups of order m. A298909

Number of partitions of n into parts not a multiple of 7. Also number of partitions with at most 6 parts of size 1 and differences between parts at distance 9 are greater than 1. A35985

Primitive pseudoperfect numbers. A6036

Indices of (probable) primes in A030221. A299101

Number of partitions of n such that the set of even parts has only one element. A90867

Triangle T, read by rows, where row n+1 of T = row n of matrix power T²ⁿ with appended '1' for n>=0 with T(0,0)=1. A132610