Properties of the Number 2144

Two Thousand One Hundred Forty-Four

Basics

Value: 2143 → 2144 → 2145

Parity: even

Prime: No

Previous Prime: 2143

Next Prime: 2153

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 67

Divisors: 1, 2, 4, 8, 16, 32, 67, 134, 268, 536

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100001100000

Octal: 4140

Duodecimal: 12A8

Hexadecimal: 860

Square: 4596736

Square Root: 46.3033476111609

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 divisible by the product of their digits. A7602

a(n) = n*(2·n + 3). A14106

Numbers that are the sum of 5 positive 5th powers. A3350

Number of partitions of n with distinct parts p(i) such that if i ≠ j, then |p(i) - p(j)| >= 3. A25157

Number of compositions of n whose negation is unimodal. A332578

Numbers m whose abundance σ(m) - 2m = -4. Numbers whose deficiency is 4. A125246

Triangle T(n,k) (0 <= k <= n) giving number of edges in the "flip graph" whose nodes are tilings of the k-dimensional zonotope constructed from n vectors. A60638

Compound filter: a(n) = T(A046523(n), A278222(n)), where T(n,k) is sequence A000027 used as a pairing function. A286163

Product of the 5th power of a prime (A050997) and a different prime (p⁵*q). A178740

Even and odd solutions to abs(σ(x)-2x) <= log(x). Numbers n whose abundance-radius does not exceed log(n). A88011