Properties of the Number 91204

Ninety-One Thousand Two Hundred Four

Basics

Value: 91203 → 91204 → 91205

Parity: even

Prime: No

Previous Prime: 91199

Next Prime: 91229

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 151 ²

Divisors: 1, 2, 4, 151, 302, 604, 22801, 45602, 91204

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10110010001000100

Octal: 262104

Duodecimal: 44944

Hexadecimal: 16444

Square: 8318169616

Square Root: 302

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..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one. A231764

a(n) = (11·n + 5)². A17450

Palindromic squares in base 12. A29738

Squares with initial digit '9'. A45793

Perfect powers which have the form prime(n) + n for some n. A107606

a(n) = (8·n+6)². A17138

a(n) = 4·prime(n)². A69262

a(1)=1, then a(n) is the smallest square not occurring earlier, not ending with zero and starting with the last digit of a(n-1). A155985

a(n) = (10·n + 2)². A17294

Squares of the form n+prime(n). A104992