Properties of the Number -30238

Thirty Thousand Two Hundred Thirty-Eight

Basics

Value: -30239 → -30238 → -30237

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 13 × 1163

Divisors: 1, 2, 13, 26, 1163, 2326, 15119, 30238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011000011110

Octal: -73036

Duodecimal: -155BA

Hexadecimal: -761e

Square: 914336644

Square Root: 173.89077031286047

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

Triangle read by rows: T(n,m) (n >= m >= 1) = number of line segments formed by drawing the lines connecting any two of the 2*(m+n) perimeter points of an m X n grid of squares. A331454

Numbers k such that k divides the sum of digits in factorial base of all numbers from 1 to k. A333702

Number of partitions p of n such that (number of even numbers in p) is a part of p. A241544

Number of integers in n-th generation of tree T(2^-1/3) defined in Comments. A274158

Expansion of (1-x)/(1+2·x²+x³). A78036

Triangle T(n, k) read by rows; given by [1, 1, 1, 1, 1, 1, 1, 1, ...] δ [1, 0, 2, 0, 2, 0, 3, 0, 2, 0, 4, 0, 2, 0, ...] (A000005 interspersed with 0's) where δ is Deléham's operator defined in A084938. A85853

Number of permutations of length n which avoid the patterns 1342, 3214, 4312. A116808