Properties of the Number 867

Eight Hundred Sixty-Seven

Basics

Value: 866 → 867 → 868

Parity: odd

Prime: No

Previous Prime: 863

Next Prime: 877

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 17 ²

Divisors: 1, 3, 17, 51, 289, 867

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1101100011

Octal: 1543

Duodecimal: 603

Hexadecimal: 363

Square: 751689

Square Root: 29.444863728670914

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

a(n) = 3·n². A33428

a(n) = floor(n²/3). A212

"Three-quarter squares": a(n) = n² - A002620(n). A77043

a(n) = ∑_k<=n A000203(k)*(n-k+1), where A000203(m) is the sum of divisors of m. A175254

Hypotenuses for which there exist exactly 2 distinct integer triangles. A84646

a(n) = ceiling(n²/3). A8810

Numbers m such that there are precisely 3 groups of order m. A55561

Number of reversed integer partitions of 2n whose half-alternating sum is 0. A357639

a(n) = n² + 3·n - 1. A14209

Primitively primeshift-abundant numbers: Numbers that are included in A246282 (k with A003961(k) > 2k), but none of whose proper divisors are. A337372