Properties of the Number 27129

Twenty-Seven Thousand One Hundred Twenty-Nine

Basics

Value: 27128 → 27129 → 27130

Parity: odd

Prime: No

Previous Prime: 27127

Next Prime: 27143

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 9043

Divisors: 1, 3, 9043, 27129

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110100111111001

Octal: 64771

Duodecimal: 13849

Hexadecimal: 69f9

Square: 735982641

Square Root: 164.7088340071655

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 whose square is a zeroless pandigital number (i.e., use the digits 1 through 9 once). A71519

T(n,k)=1/4 the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having one or three distinct clockwise edge differences. A210077

Number of multiset partitions of uniform integer partitions of n in which all parts have the same length. A320451

n+φ(n)+φ(φ(n)) is a cube. A116042

Numbers n such that n and prime(n) end with the same three digits. A67841

a(n) = ∑_k=1..n k² * floor(n/k)³. A350124

Numbers whose square contains all of the digits 1 through 9. A294661

Numbers k such that 10·7^k + 1 is prime. A57437

1/4 the number of (n+1) X 2 0..3 arrays with every 2 X 2 subblock having one or three distinct clockwise edge differences. A210070

1/4 the number of (n+1)X5 0..3 arrays with every 2X2 subblock having one or three distinct clockwise edge differences. A210073