Properties of the Number -19947

Nineteen Thousand Nine Hundred Forty-Seven

Basics

Value: -19948 → -19947 → -19946

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 61 × 109

Divisors: 1, 3, 61, 109, 183, 327, 6649, 19947

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110111101011

Octal: -46753

Duodecimal: -B663

Hexadecimal: -4deb

Square: 397882809

Square Root: 141.23384863410047

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 12 nonzero 8th powers. A3390

Number of partitions p of n such that (number of numbers in p of form 3k) < (number of numbers in p of form 3k+1). A241743

Left side of irregular triangle of natural numbers in which every row product is a multiple of the previous. A90905

Number of non-isomorphic multiset partitions of weight n with at most 2 distinct vertices, or with at most 2 (not necessarily distinct) edges. A323655

Left side of irregular triangle of natural numbers in which the n-th row has at least n terms and every row product is a multiple of the previous. A93911

Number of partitions of n, where the difference between the number of odd parts and the number of even parts is 4. A240013

Number of distinct ways of expressing n using only addition, multiplication (with all factors greater than 1), necessary parentheses, and the number 1. A373446

One-third of the number of n X n nonnegative integer arrays with every 3 X 3 subblock summing to 2. A145053