Properties of the Number 83140

Eighty-Three Thousand One Hundred Forty

Basics

Value: 83139 → 83140 → 83141

Parity: even

Prime: No

Previous Prime: 83137

Next Prime: 83177

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 4157

Divisors: 1, 2, 4, 5, 10, 20, 4157, 8314, 16628, 20785

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100010011000100

Octal: 242304

Duodecimal: 40144

Hexadecimal: 144c4

Square: 6912259600

Square Root: 288.3400769924292

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) = ∑_k=1..n floor(n/(2·k-1))³. A350144

Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array. A219349

Number of n X 2 0..2 arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once. A268768

Sieve of Eratosthenes arranged as an array and read by antidiagonals in the up direction; n-th row has property that smallest prime factor is prime(n). A83140