Properties of the Number 12075

Twelve Thousand Seventy-Five

Basics

Value: 12074 → 12075 → 12076

Parity: odd

Prime: No

Previous Prime: 12073

Next Prime: 12097

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 ² × 7 × 23

Divisors: 1, 3, 5, 7, 15, 21, 23, 25, 35, 69

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10111100101011

Octal: 27453

Duodecimal: 6BA3

Hexadecimal: 2f2b

Square: 145805625

Square Root: 109.88630487917955

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

Triangle of numbers T(n,k) (n>=0, n>=k>=0) of transitive reflexive early confluent binary relations R on n labeled elements where k=max_x(|{y : xRy}|), read by rows. A135313

Longest edge a of smallest (measured by the longest edge) primitive Euler bricks (a, b, c, sqrt(a² + b²), sqrt(b² + c²), sqrt(a² + c²) are integers). A31173

Numbers n for which nontrivial positive magic squares of exactly 10 different orders with magic sum n exist. For a definition of nontrivial positive magic squares, see A125005. A125017

The number of decompositions of n into different parts relatively prime to n. A36998

a(n) = (2·n+1)*(2·n+3)*(2·n+5). A61550

5 times hexagonal numbers: 5·n*(2·n-1). A152745

Nonnegative values·of solutions (x, y) to the Diophantine equation x²+(x+857)² = y². A129857

Nonnegative values·of solutions (x, y) to the Diophantine equation x²+(x+2401)² = y². A118630

a(n) = (4·n+1)*(4·n+3)*(4·n+5). A133766

Odd nonsquarefree numbers k such that {sum of unitary divisors of k} plus {sum of squarefree divisors of k} >= 2·k. A389079