Properties of the Number 99856

Ninety-Nine Thousand Eight Hundred Fifty-Six

Basics

Value: 99855 → 99856 → 99857

Parity: even

Prime: No

Previous Prime: 99839

Next Prime: 99859

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 79 ²

Divisors: 1, 2, 4, 8, 16, 79, 158, 316, 632, 1264

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000011000010000

Octal: 303020

Duodecimal: 49954

Hexadecimal: 18610

Square: 9971220736

Square Root: 316

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

Number of degree-n even permutations of order dividing 4. A61129

a(n) = (11·n + 8)². A17486

Squares with initial digit '9'. A45793

Largest n-digit square. A61433

T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with every 2 X 2 subblock having zero permanent. A206255

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum two. A254854

Squares in A076361. A115557

Squares which when reversed are primes (ignore leading zeros). A68989

Largest n-digit square with no zero digits. A104266

Nontotients (A005277) that are the product of two totients (A002202). A329872