Properties of the Number 18902

Eighteen Thousand Nine Hundred Two

Basics

Value: 18901 → 18902 → 18903

Parity: even

Prime: No

Previous Prime: 18899

Next Prime: 18911

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 13 × 727

Divisors: 1, 2, 13, 26, 727, 1454, 9451, 18902

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100111010110

Octal: 44726

Duodecimal: AB32

Hexadecimal: 49d6

Square: 357285604

Square Root: 137.48454458592792

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

Number of partitions of (4, n) into a sum of distinct pairs. A268347

a(0) = 1, a(n) = 21·n² + 2 for n>0. A10011

Number of 3-element antichains on an unlabeled n-element set; equivalence classes of monotone Boolean functions of n variables with 3 mincuts under action of symmetric group S_n. A56778

Number of right triangles on a (n+1)X6 grid. A189810

The Szeged index of the n-sunlet graph (n>=3). A228600

Largest number in a 6-tuple (a,b,c,d,e,f) of positive integers satisfying the Markoff(6) equation a² + b² + c² + d² + e² + f² = 3·a*b·c*d·e*f. A227204

a(n+2) = 5·a(n+1) - 3·a(n). A18902

Starts of runs of 7 consecutive exponentially odd numbers (A268335). A325058