Properties of the Number 6858

Six Thousand Eight Hundred Fifty-Eight

Basics

Value: 6857 → 6858 → 6859

Parity: even

Prime: No

Previous Prime: 6857

Next Prime: 6863

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 127

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 127, 254

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101011001010

Octal: 15312

Duodecimal: 3B76

Hexadecimal: 1aca

Square: 47032164

Square Root: 82.81304245105356

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

Jordan function J₃(n). A59376

a(n) = n³ - 1. A68601

Number of ways of writing n as the sum of 9 triangular numbers. A226253

a(n) = ∑_{d∣n, n/d=1 mod 4} d³ - ∑_{d∣n, n/d=3 mod 4} d³. A50471

Multiplicative with a(p^e) = 1 - p³. A63453

Square array A246278 minus 1. A246275

Numbers k such that k¹⁸ == 1 (mod 19³). A56089

Period of the Lucas 4-step sequence A073817 mod n. A106295

Number k such that both k and k+1 have an equal number of unitary and nonunitary divisors. A335328

Transpose of square array A246275. A246273