Properties of the Number 99380

Ninety-Nine Thousand Three Hundred Eighty

Basics

Value: 99379 → 99380 → 99381

Parity: even

Prime: No

Previous Prime: 99377

Next Prime: 99391

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 4969

Divisors: 1, 2, 4, 5, 10, 20, 4969, 9938, 19876, 24845

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: 11000010000110100

Octal: 302064

Duodecimal: 49618

Hexadecimal: 18434

Square: 9876384400

Square Root: 315.2459357390671

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

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 2 (2 maximizes T(1,1)). A233644

Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock having the sum of the squares of the edge differences equal to 2. A233638

Number of (n+1) X (5+1) 0..2 arrays with every 2 X 2 subblock having the sum of the squares of the edge differences equal to 2. A233641

The imaginary part of -n', the arithmetic derivative for Gaussian integers. A99380