Properties of the Number -125685

One Hundred Twenty-Five Thousand Six Hundred Eighty-Five

Basics

Value: -125686 → -125685 → -125684

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 7 ² × 19

Divisors: 1, 3, 5, 7, 9, 15, 19, 21, 27, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110101011110101

Octal: -365365

Duodecimal: -60899

Hexadecimal: -1eaf5

Square: 15796719225

Square Root: 354.5208033388168

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(n) = n*(n + 11)*(n + 22)*(n + 33)/24. A264448

a(n) = (n+1)*binomial(n+1,4). A27764

a(n) is the number of subsets of {1..n} that contain exactly 4 odd and 1 even numbers. A333320

a(n) is the number of subsets of {1..n} that contain exactly 1 odd and 4 even numbers. A333321

a(0) = a(1) = a(2) = 1, for n > 2, a(n) = a(n-1) + a(n-k) + k with k = 3. A362256

Number of n X n binary arrays symmetric about the diagonal and under 90-degree rotation with all ones connected only in a 1 X 5 or 5 X 1 block. A145969

Numbers n such that A000203(2·n) divides 2·n*A045917(n). A245629