Properties of the Number 12303

Twelve Thousand Three Hundred Three

Basics

Value: 12302 → 12303 → 12304

Parity: odd

Prime: No

Previous Prime: 12301

Next Prime: 12323

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 1367

Divisors: 1, 3, 9, 1367, 4101, 12303

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000000001111

Octal: 30017

Duodecimal: 7153

Hexadecimal: 300f

Square: 151363809

Square Root: 110.9188892840169

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 distinct values taken by 5⁵^...⁵ (with n 5's and parentheses inserted in all possible ways). A145545

Starts of runs of 4 consecutive Gray-code Niven numbers (A344341). A344344

Number of integer partitions of n having no permutation with all equal run-sums. A383096

Pseudoprimes to base 4, written in base 4. A262101

a(1) = 3; a(n) = smallest number such that the forward as well as the reverse n-th partial concatenation is a prime for n>1. A83993

Numerators of continued fraction convergents to sqrt(854). A42648

Riordan array (1/((1-4·x)*c(x)),x·c(x)/sqrt(1-4·x)), c(x) the g.f. of A000108. A113955

Number of 9-element subsets of [n] whose sum is a triangular number. A320855

Number of ways to choose a distinct subsequence of an integer composition of n. A355387

a(n) = ∑_d∣n (2·d)^{n/d - 1}. A359134