Properties of the Number 2331

Two Thousand Three Hundred Thirty-One

Basics

Value: 2330 → 2331 → 2332

Parity: odd

Prime: No

Previous Prime: 2311

Next Prime: 2333

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 37

Divisors: 1, 3, 7, 9, 21, 37, 63, 111, 259, 333

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100100011011

Octal: 4433

Duodecimal: 1423

Hexadecimal: 91b

Square: 5433561

Square Root: 48.28043081829324

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

Centered cube numbers: n³ + (n+1)³. A5898

G.f.: ∏_k>=1 (1 + x^{2·k - 1}) / (1 - x^2·k). A6950

Numbers > 1000 such that all the substrings of length = 3 are primes (substrings with leading '0' are considered to be nonprime). A211684

Generalized 13-gonal numbers: m*(11·m-9)/2 with m = 0, 1, -1, 2, -2, 3, -3, ... A195313

Number of unimodal partitions/compositions of n into distinct terms. A72706

13-gonal (or tridecagonal) numbers: a(n) = n*(11·n - 9)/2. A51865

Sum of squares of three consecutive primes. A133529

Decimal encoding of the prime factorization of n: concatenation of prime factors and exponents. A67599

Values of n such that L(9) and N(9) 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. A226929

Numbers m such that there are precisely 14 groups of order m. A294155