Properties of the Number 12919

Twelve Thousand Nine Hundred Nineteen

Basics

Value: 12918 → 12919 → 12920

Parity: odd

Prime: Yes

Previous Prime: 12917

Next Prime: 12923

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 12919

Divisors: 1, 12919

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001001110111

Octal: 31167

Duodecimal: 7587

Hexadecimal: 3277

Square: 166900561

Square Root: 113.66177897604805

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

Primes having only {1, 2, 9} as digits. A385776

Indices in A146326 where records occur. A146345

Values of n such that L(10) and N(10) 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. A227448

Class 6- primes (for definition see A005109). A81425

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. A304959

5-Ramanujan primes; the interval (x/2,x] has at least n 4-Ramanujan primes for x >= a(n) but not for x = a(n)-1. A192823

Number of Catalan objects fixed by five-fold application of the Catalan bijections A057511/A057512 (deep rotation of general parenthesizations/plane trees). A79226

Primes which remain prime after one and after two applications of the rotate-and-add operation of A086002. A86003

Primes which remain prime after one and after two and after three applications of the rotate-and-add operation of A086002. A86004

Primes congruent to 6 mod 37. A142115