Properties of the Number 19496

Nineteen Thousand Four Hundred Ninety-Six

Basics

Value: 19495 → 19496 → 19497

Parity: even

Prime: No

Previous Prime: 19489

Next Prime: 19501

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 2437

Divisors: 1, 2, 4, 8, 2437, 4874, 9748, 19496

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100110000101000

Octal: 46050

Duodecimal: B348

Hexadecimal: 4c28

Square: 380094016

Square Root: 139.62807740565648

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

Numbers k such that the k-th composition in standard order is an alternating permutation of {1..k} for some k. A349051

Sum of the levels of all nodes in all noncrossing trees with n edges. A62236

Number of factorizations with 3 levels of parentheses indexed by prime signatures. A050340(A025487). A50341

Ulam's spiral (NNE spoke). A143861

a(1) = 2, a(n) = (n-th-even n³) - (sum of previous terms). A181509

(A192533)/2. A192534

Number of nonnegative integer arrays of length n+2 with new values 0 upwards introduced in order, and containing the value n-1. A211562

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 579", based on the 5-celled von Neumann neighborhood. A273028

Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 69. A31567

G.f.: ∑_n>=0 (x^2·n-1 + 1)ⁿ * xⁿ / (1 + x^2·n+1)ⁿ⁺¹, an even function. A326602