Properties of the Number -42851

Forty-Two Thousand Eight Hundred Fifty-One

Basics

Value: -42852 → -42851 → -42850

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 73 × 587

Divisors: 1, 73, 587, 42851

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010011101100011

Octal: -123543

Duodecimal: -2096B

Hexadecimal: -a763

Square: 1836208201

Square Root: 207.0048308615043

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

A self-"read and extend" sequence built following the rules visible in the Comments section (a kind of Collatz-by-digits sequence). A316764

a(n) = s(n,n) + s(n,n-1) + s(n,n-2), where s(n,k) are the unsigned Stirling numbers of the first kind (see A132393). A308305

Numbers that equal to the sum of their iterated absolute Möbius divisor function (A173557). A333873