Properties of the Number 12999

Twelve Thousand Nine Hundred Ninety-Nine

Basics

Value: 12998 → 12999 → 13000

Parity: odd

Prime: No

Previous Prime: 12983

Next Prime: 13001

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 619

Divisors: 1, 3, 7, 21, 619, 1857, 4333, 12999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11001011000111

Octal: 31307

Duodecimal: 7633

Hexadecimal: 32c7

Square: 168974001

Square Root: 114.01315713548152

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

Binomial matrix applied to A111418. A126791

Start with 83; if even, divide by 2; if odd, add next three primes: Orbit of 83 under iterations of A174221, the "PrimeLatz" map. A293979

a(n) = n*(15·n-11)/2. A226489

Number of nonnegative lattice paths from (0,0) to (n,0) where the allowed steps at (x,y) are (h,v) with h in {1..max(1,y)} and v in {-1,0,1}. A337067

Numbers that can be represented in more than one way as p²+p·q+q² with p and q primes, p<=q. A349987

Numbers k such that A003132(k²) = A003132(k), where A003132(n) is the sum of the squares of the digits of n. A309883

Values of terms in A380837 which are not in A379066. A380838

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 76. A31754

Number of 4-regular 3-connected planar graphs with n vertices having an Eulerian tour for which no two consecutive edges are incident with the same face. A308588

Table T(r,s) read by rows: the coefficient of [k^s] of the Wynn's r-th converging polynomial p_r(k) of Weber functions, 0<=s<=r. A380169