Properties of the Number 2103

Two Thousand One Hundred Three

Basics

Value: 2102 → 2103 → 2104

Parity: odd

Prime: No

Previous Prime: 2099

Next Prime: 2111

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 3 × 701

Divisors: 1, 3, 701, 2103

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000110111

Octal: 4067

Duodecimal: 1273

Hexadecimal: 837

Square: 4422609

Square Root: 45.858477951192405

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

Twice-partitioned numbers where the first partition is strict and the latter partitions are constant. A279786

Coordination sequence for (2,3,8) tiling of hyperbolic plane. A265058

Number of fully normal integer partitions of n. A317491

Values of n such that L(11) and N(11) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227449

Numbers whose base-2 and base-10 expansions have the same digit sum. A37308

Array read by antidiagonals: T(m,n) is the number of m X n binary arrays with all 1's connected and a path of 1's from top row to lower right corner. A391489

Numbers whose digits are a permutation of [0,...,n] and which contain the product of any two adjacent digits as a substring. A203569

T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1. A293087

Numbers k such that the k-th composition in standard order has sum equal to twice its alternating sum. A348614

Number of integer partitions of n with no adjacent parts of quotient 2. A350837