Properties of the Number 75486

Seventy-Five Thousand Four Hundred Eighty-Six

Basics

Value: 75485 → 75486 → 75487

Parity: even

Prime: No

Previous Prime: 75479

Next Prime: 75503

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 23 × 547

Divisors: 1, 2, 3, 6, 23, 46, 69, 138, 547, 1094

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10010011011011110

Octal: 223336

Duodecimal: 37826

Hexadecimal: 126de

Square: 5698136196

Square Root: 274.7471564912001

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 m that divide the alternating sum ∑_k=1..m (-1)^k * A000005(k). A379923

Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic nonresidues mod p . A282726

Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal and vertical reflections by a tile that is fixed under vertical reflections but not horizontal reflections. A368255

Length of iteration list when Collatz-function is iterated with initial value 2ⁿ + 1. A75486

Triangle by rows, related to the numbers of binary trees of height less than n, derived from the Mandelbrot set. A202019