Properties of the Number 99428

Ninety-Nine Thousand Four Hundred Twenty-Eight

Basics

Value: 99427 → 99428 → 99429

Parity: even

Prime: No

Previous Prime: 99409

Next Prime: 99431

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 7 × 53 × 67

Divisors: 1, 2, 4, 7, 14, 28, 53, 67, 106, 134

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11000010001100100

Octal: 302144

Duodecimal: 49658

Hexadecimal: 18464

Square: 9885927184

Square Root: 315.32205758557393

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+7)X(k+7) 0..1 matrices with each 8X8 subblock idempotent. A224597

Smallest positive number that requires n iterations of f(k) to reach a single digit, where f(k) is the product of the two numbers formed from the alternating digits of k. A87473

Numbers k such that k, k+1 and k+2 have exactly 4 distinct prime factors. A364309

Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 2 X n array. A219940

Number of (n+7)X10 0..1 matrices with each 8X8 subblock idempotent. A224592

Number of (n+7)X12 0..1 matrices with each 8X8 subblock idempotent. A224594

Duplicate of A099920. A99428