Properties of the Number -42109

Forty-Two Thousand One Hundred Nine

Basics

Value: -42110 → -42109 → -42108

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 17 × 2477

Divisors: 1, 17, 2477, 42109

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010010001111101

Octal: -122175

Duodecimal: -20451

Hexadecimal: -a47d

Square: 1773167881

Square Root: 205.20477577288497

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 of partitions of n of order n. A74761

T(n,k)=Number of nXk 0..1 arrays with rows, antidiagonals and columns unimodal. A223637

Numbers n such that m=(n²+1)/2, p=(m²+1)/2 and q=(p²+1)/2 are all prime. A188546

Positive numbers y such that y² is of the form x²+(x+119)² with integer x. A156650

a(n) = (2·n³ + 5·n² - 5·n)/2. A162265

Concatenation of n-th nonprime and n-th prime. A253911

a(n) = a(n-1) + a(n-2) + a([(n+1)/2]), where a(0) = 1, a(1) = 1, a(2) = 1. A298348

Number of n X 4 0..1 arrays with rows, antidiagonals and columns unimodal. A223633

Number of nX6 0..1 arrays with rows, antidiagonals and columns unimodal. A223635

Recip transform of 2*(1 + x³)-1/(1-x). A49151