Properties of the Number 83475

Eighty-Three Thousand Four Hundred Seventy-Five

Basics

Value: 83474 → 83475 → 83476

Parity: odd

Prime: No

Previous Prime: 83471

Next Prime: 83477

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 ² × 7 × 53

Divisors: 1, 3, 5, 7, 9, 15, 21, 25, 35, 45

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100011000010011

Octal: 243023

Duodecimal: 40383

Hexadecimal: 14613

Square: 6968075625

Square Root: 288.92040426387337

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

Irregular triangle read by rows: T(n,k) is the number of partitions of the vertex set of the n-cocktailparty graph into k connected subsets, 1 <= k <= 2·n. A389985

Consider the set of all the numbers n·k where 1 <= k <= n. Then a(n) = number of palindromic members of this set. A83475

Number of 7 X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 0 1 vertically. A207789