Properties of the Number 27873

Twenty-Seven Thousand Eight Hundred Seventy-Three

Basics

Value: 27872 → 27873 → 27874

Parity: odd

Prime: No

Previous Prime: 27851

Next Prime: 27883

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 19 × 163

Divisors: 1, 3, 9, 19, 57, 163, 171, 489, 1467, 3097

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110011100001

Octal: 66341

Duodecimal: 14169

Hexadecimal: 6ce1

Square: 776904129

Square Root: 166.9520889357183

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 k such that k³ divides 8^k² + 1. A128681

Numbers generated by a Fibonacci-like sequence in which zeros are suppressed. A243063

Numbers n such that n divides 2ⁿ^2 + 1. A93546

a(n) = sum of lengths of strings that can be generated by any starting string of n 2's and 3's, using the rule described in the Comments lines. A94005

a(n) is the number of edges formed by n-secting the angles of a nonagon (enneagon). A335783

Numbers k that divide 2^k³ + 1. A93665

Diagonal sums of number triangle A184879. A184880

Coordination sequence for 18-dimensional cyclotomic lattice Z[zeta₂₇]. A126920

Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 6 ones in any 4 X 4 X 4 subtriangle. A153948

Partial sums of A006343. A176074