Properties of the Number 12100

Twelve Thousand One Hundred

Basics

Value: 12099 → 12100 → 12101

Parity: even

Prime: No

Previous Prime: 12097

Next Prime: 12101

Digit Sum: 4

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 ² × 11 ²

Divisors: 1, 2, 4, 5, 10, 11, 20, 22, 25, 44

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10111101000100

Octal: 27504

Duodecimal: 7004

Hexadecimal: 2f44

Square: 146410000

Square Root: 110

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 n X 2 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal. A206981

Number of ways to place a non-attacking white and black rook on n X n chessboard. A35287

Multiples of 4 whose digits add to 4. A63997

Quarter-squares squared: A002620². A30179

Expansion of ∏_k>=1 (1 - x^k)¹². A735

a(n) = (3n+2)². A16790

Products of squares of 2 or more distinct primes. A177492

a(n) = n*(n+1)*(5·n+1)/6. A33994

Largest square <= n³. A65733

Numbers k such that 3^k + 26 is prime. A219044