Properties of the Number -231950

Two Hundred Thirty-One Thousand Nine Hundred Fifty

Basics

Value: -231951 → -231950 → -231949

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 ² × 4639

Divisors: 1, 2, 5, 10, 25, 50, 4639, 9278, 23195, 46390

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111000101000001110

Octal: -705016

Duodecimal: -B2292

Hexadecimal: -38a0e

Square: 53800802500

Square Root: 481.6118769299611

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

Number T(n,k) of set partitions of [n] such that k is the largest element of the last block; triangle T(n,k), n>=1, 1<=k<=n, read by rows. A271466

a(n) = Bell(n)*(2 - 0ⁿ). A186021

Number of set partitions of [n] with a strongly unimodal block size list. A275389

Numbers of the form Bell(i)*Bell(j). A276281

Dirichlet convolution of Bell numbers with themselves. A34770