Properties of the Number -109890

One Hundred Nine Thousand Eight Hundred Ninety

Basics

Value: -109891 → -109890 → -109889

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 5 × 11 × 37

Divisors: 1, 2, 3, 5, 6, 9, 10, 11, 15, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010110101000010

Octal: -326502

Duodecimal: -53716

Hexadecimal: -1ad42

Square: 12075812100

Square Root: 331.4966063174705

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

Sheffer triangle (exp(x), exp(3·x) - 1). Named S2[3,1]. A282629

Numbers k such that k and 9·k are anagrams. A23093

Witt vector·2!/2!. A6177

Numbers k for which the quotient q(k)=(k+rev(k))/abs(k-rev(k)) is an integer. A87993

Numbers k such that 1·k + 1, 3·k + 1, 9·k + 1, 27·k + 1, 81·k + 1 are all primes. A112042

a(n) = n³ + reversal of digits of n³. A319603

The lower (or left) offset of a 196-iterate (A006960) from the largest palindrome less than the iterate. A331556

Non-repdigit numbers k that divide A045876(k). A276413

Numbers k such that R(k)/k is of the form m/(m + 1), where R(k) is the digital reversal of k. A376260