Properties of the Number -101556

One Hundred One Thousand Five Hundred Fifty-Six

Basics

Value: -101557 → -101556 → -101555

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 7 × 13 × 31

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 13, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11000110010110100

Octal: -306264

Duodecimal: -4A930

Hexadecimal: -18cb4

Square: 10313621136

Square Root: 318.678521397348

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

Expansion of e.g.f. exp((exp(x) - 1)³). A353664

a(n) = C(n+2, 2) + C(n+2, 3) + C(n+2, 4) + C(n+2, 5). A27660

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = ∑_j=0..n (k·j)!* Stirling2(n,k·j)/j!. A357869

Numbers which in at least two ways are the product of two distinct numbers with the same digits (leading zeros are forbidden). A77760

Terms of A066531 not ending in 0. A117282

Number of -n..n arrays x(0..3) of 4 elements with zero sum, adjacent elements differing by more than one, and elements alternately increasing and decreasing. A200193

a(n) = p(2·n)-p(2·n-2)-p(n) where p(n) are the partition numbers A000041(n). A263847

Indices k at which record low values of the ratio A046530(k)/k occur. A330695