Properties of the Number 12419

Twelve Thousand Four Hundred Nineteen

Basics

Value: 12418 → 12419 → 12420

Parity: odd

Prime: No

Previous Prime: 12413

Next Prime: 12421

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 11 × 1129

Divisors: 1, 11, 1129, 12419

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000010000011

Octal: 30203

Duodecimal: 722B

Hexadecimal: 3083

Square: 154231561

Square Root: 111.44056711987785

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) = n*(7·n² - 1)/6. A4126

Palindromic numbers in bases 4 and 8 written in base 10. A259382

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum equal to 0 3 5 6 or 8. A252352

T(n,k) = Number of n X k 0..4 arrays with every row and column running average nondecreasing rightwards and downwards. A200858

Number of balanced reduced multisystems whose atoms cover an initial interval of positive integers with multiplicities equal to the prime indices of n. A318846

Antidiagonal sums of A086272 (and of A086273). A86274

Expansion of c(x²+x³), c(x) the g.f. of A000108. A115178

a(n)=60·sum(1<=i<=j<=k<=n,i·j²/k). A88943

Numbers k such that A055079(k) = 2^k. A57838

a(n) = 6·n*(n-1) - 1. A103115