Properties of the Number 75087

Seventy-Five Thousand Eighty-Seven

Basics

Value: 75086 → 75087 → 75088

Parity: odd

Prime: No

Previous Prime: 75083

Next Prime: 75109

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁶ × 103

Divisors: 1, 3, 9, 27, 81, 103, 243, 309, 729, 927

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10010010101001111

Octal: 222517

Duodecimal: 37553

Hexadecimal: 1254f

Square: 5638057569

Square Root: 274.0200722574899

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) = 52·n² - 1. A158640

a(n) = n² * prime(n). A356868

Array read by descending antidiagonals: A(n,k) is the number of achiral colorings of the facets (or vertices) of a regular n-dimensional simplex using up to k colors. A325001

T(n,k) = Number of (n+1) X (k+1) 0..2 arrays with every 2 X 2 subblock summing to 4 and no 2 X 2 subblock having exactly two nonzero entries. A251149

Rearrangement of natural numbers such that the n-th partial sum is divisible by the n-th squarefree number. A75087