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Properties of the Number 2112

Two Thousand One Hundred Twelve

Basics

Value: 2111 → 2112 → 2113

Parity: even

Prime: No

Previous Prime: 2111

Next Prime: 2113

Digit Sum: 6

Digital Root: 6

Palindrome: Yes

Factorization: 2 6 × 3 × 11

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100001000000

Octal: 4100

Duodecimal: 1280

Hexadecimal: 840

Square: 4460544

Square Root: 45.95650117230423

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

4 times triangular numbers: a(n) = 2·n*(n+1). A46092
Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 25 (most significant digit on right). A61954
Numbers that contain only 1's and 2's. Nonempty binary strings of length n in lexicographic order. A7931
Sums of two distinct powers of 2. A18900
a(n) = n2 - 4. A28347
Numbers that are divisible by the product of their digits. A7602
Numbers that are divisible by exactly 8 primes counting multiplicity. A46310
Numbers that are the sum of 4 positive 5th powers. A3349
Number of normal semistandard Young tableaux whose shape is the integer partition with Heinz number n. A296188
Expansion of ∏k>=1 (1 + 2k-1*xk). A304961