Properties of the Number -19941

Nineteen Thousand Nine Hundred Forty-One

Basics

Value: -19942 → -19941 → -19940

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 17 ² × 23

Divisors: 1, 3, 17, 23, 51, 69, 289, 391, 867, 1173

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110111100101

Octal: -46745

Duodecimal: -B659

Hexadecimal: -4de5

Square: 397643481

Square Root: 141.21260566960729

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 that are the sum of 6 nonzero 8th powers. A3384

Smallest of 4 consecutive numbers each divisible by a square. A70284

Expansion of (1+2·x+3·x²)/((1-x)³*(1-x²)). A55232

Number of partitions of n into an even number of parts that are not multiples of 3. A339404

Triangle read by rows in which the n-th row gives the smallest set of n consecutive numbers with the same prime signatures. A83785

a(n) = n! * ∑_k=0..n k^k*(n-k)/k!. A356674

Number of squarefree permutations of 1,...,n that are fixed under reverse-complement, up to symmetry. A238942

Sum of partial sums of partition numbers (A026905) and partial sums of numbers of partitions into distinct parts (A026906). A56871

Numbers k such that 3·2^k - 7 is prime. A59747

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 229", based on the 5-celled von Neumann neighborhood. A270948