Properties of the Number 19842

Nineteen Thousand Eight Hundred Forty-Two

Basics

Value: 19841 → 19842 → 19843

Parity: even

Prime: No

Previous Prime: 19841

Next Prime: 19843

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 3307

Divisors: 1, 2, 3, 6, 3307, 6614, 9921, 19842

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110110000010

Octal: 46602

Duodecimal: B596

Hexadecimal: 4d82

Square: 393704964

Square Root: 140.86163423728976

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

Sum of the prime parts in the partitions of n into 6 parts. A309467

Partial sums of A224613. A365446

Dispersion of (2·floor(n·sqrt(3))), by antidiagonals. A191542

Numbers n such that n·A007954(n) contains the same distinct digits as n. A248039

Consider the 2^n-1 monic polynomials f(x) with coefficients 0 or 1, degree n and f(0)=1. Sequence gives triangle read by rows, in which T(n,k) (n>=1) is the number of such polynomials of thickness k (2 <= k <= n+1). A169940

Decimal expansion of sine of 33 degrees. A19842