Properties of the Number 28024

Twenty-Eight Thousand Twenty-Four

Basics

Value: 28023 → 28024 → 28025

Parity: even

Prime: No

Previous Prime: 28019

Next Prime: 28027

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 31 × 113

Divisors: 1, 2, 4, 8, 31, 62, 113, 124, 226, 248

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110110101111000

Octal: 66570

Duodecimal: 14274

Hexadecimal: 6d78

Square: 785344576

Square Root: 167.40370366273262

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

Records of minima of positive distance d between a square cubefree integer y and a cube of positive and squarefree integer·and such d = y² - x³. A179107

Triangle read by rows: T(n,k) is the number of unlabeled weakly graded (ranked) posets with n elements and rank k. A361953

Numbers k such that k divides A243071(k). A364497

a(n) = spt(7n+5)/7 where spt(n) = A092269(n). A220507

Index of first occurrence of the first n digits of e in the decimal expansion of π. A90898

a(n) = [xⁿ] ∏_d∣n (1 + x^d)/(1 - x^d). A300549

Row sums of triangle defined in A113820. A160968

a(n) equals the sum of path counts in the (right-aligned Ferrers plots of) the partitions of n. A180684

Number of non-equivalent ways to place 6 non-attacking ferses on an n X n board. A278685

Expansion of 1/((1-2x)(1-10x)(1-11x)(1-12x)). A28024