Properties of the Number 52128

Fifty-Two Thousand One Hundred Twenty-Eight

Basics

Value: 52127 → 52128 → 52129

Parity: even

Prime: No

Previous Prime: 52127

Next Prime: 52147

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ² × 181

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101110100000

Octal: 145640

Duodecimal: 26200

Hexadecimal: cba0

Square: 2717328384

Square Root: 228.31557108528537

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

Convolution of 2ⁿ*n! and n!. A107713

Gaps of 8 in sequence A038593 (lower terms). A38655

Numbers k such that the powerful part of the sum of divisors of k (A387726) is greater than or equal to k, and σ(k) is not itself a powerful number. A387729

Row sums of triangle A102316. A102317

a(n) = 102·2ⁿ - 96 (n>=1). A304377

Series expansion for first area weighted moment of neighbor-avoiding polygons on square lattice. A121771

Pile of coconuts problem: (n-1)*(nⁿ - 1), n even; nⁿ - n + 1, n odd. A2021

a(1) = 1; for n > 1, a(n) is the largest divisor of n that is coprime to a larger divisor of n. A52128

a(n) = nⁿ - n + 1. A6091

Square array T(n,k) = kⁿ - k + 1 read by antidiagonals. A193871