Properties of the Number 2872

Two Thousand Eight Hundred Seventy-Two

Basics

Value: 2871 → 2872 → 2873

Parity: even

Prime: No

Previous Prime: 2861

Next Prime: 2879

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 359

Divisors: 1, 2, 4, 8, 359, 718, 1436, 2872

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100111000

Octal: 5470

Duodecimal: 17B4

Hexadecimal: b38

Square: 8248384

Square Root: 53.59104402789705

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

Tetranacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4) for n >= 4 with a(0) = a(1) = a(2) = 0 and a(3) = 1. A78

a(n) = n*(5·n² - 2)/3. A4466

Fibonacci sequence beginning 1, 7. A22097

Antidiagonal-sums of the array A376682(n,k) = n-th term of the k-th differences of the noncomposite numbers (A008578). A376683

a(n) = ∑_j=1..n j·prime(j). A14285

Number of n-lobsters. A130131

Number of unlabeled rooted trees with n nodes where the branches of no branch of the root form a submultiset of the branches of the root. A324838

Expansion of q^5/24 / (η(q) * η(q²)²) in powers of q. A29862

a(n) = A063416(n)/7. A88409

Expansion of q * (ψ(q⁴) / φ(-q))² in powers of q where φ(), ψ() are Ramanujan θ functions. A107035