Properties of the Number -14720

Fourteen Thousand Seven Hundred Twenty

Basics

Value: -14721 → -14720 → -14719

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁷ × 5 × 23

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 23, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11100110000000

Octal: -34600

Duodecimal: -8628

Hexadecimal: -3980

Square: 216678400

Square Root: 121.32600710482481

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

Triangle of coefficients of polynomials defined by Binet form: P(n,x) = ((x + d)ⁿ - (x - d)ⁿ)/(2·d), where d = sqrt(x+4). A162517

Number of tilings of a 5 X n rectangle using n pentominoes of shapes L, X. A234312

a(n) = 2·1 + 4·3 + 6·5 + 8·7 + 10·9 + 12·11 + ... + (up to the n-th term). A319866

Numbers with prime signature {7,1,1}, i.e., of form p⁷*q·r with p, q and r distinct primes. A179696

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A317230

Heinz numbers of integer partitions such that 3*(sum) = (reverse-weighted sum). A363531

Numbers m such that m*(m-τ(m))/σ(m) is an integer h where k-τ(k) is the number of nondivisors of k (A049820) and σ(k) is the sum of the divisors of k (A000203). A325020

Numbers with an equal number of deficient and abundant divisors. A335543

a(n) = ∑_k=0..n (k+1) * 2^k * binomial(2·k,2*(n-k)). A390700

Numerator sequence of the n-th convergent of the continued fraction 1/(1-2/(2-2/(3-2/(4-... A222470