Properties of the Number 12318

Twelve Thousand Three Hundred Eighteen

Basics

Value: 12317 → 12318 → 12319

Parity: even

Prime: No

Previous Prime: 12301

Next Prime: 12323

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 2053

Divisors: 1, 2, 3, 6, 2053, 4106, 6159, 12318

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 11000000011110

Octal: 30036

Duodecimal: 7166

Hexadecimal: 301e

Square: 151733124

Square Root: 110.98648566379602

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

a(n) = prime(n)*prime(n-1) + 1. A23523

T(n,k)=Number of nXk 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A281802

T(n,k) = number of (n+1) X (k+1) 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock unequal to the number of counterclockwise edge increases. A205823

a(0) = 1; a(n) = ∑_k=1..n binomial(n,k) * sigma₀(k) * a(n-k). A340903

Numbers n such that n² + 1 is divisible by a 4th power. A218563

Number of (unordered) ways of making change for n dollars using coins of denominations 1, 5, 10, 25, 50 and 100. A85502

a(n) = 9·n² - 3. A157872

Dirichlet self-convolution of the integer partition numbers A000041. A323764

Expansion of q^-2/5 * (r(q) - r(q¹¹))¹² in powers of q where r() is the Rogers-Ramanujan continued fraction. A285580

Numbers that are both binary Niven numbers and binary Smith numbers. A334531