Properties of the Number -155520

One Hundred Fifty-Five Thousand Five Hundred Twenty

Basics

Value: -155521 → -155520 → -155519

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁷ × 3 ⁵ × 5

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100101111110000000

Octal: -457600

Duodecimal: -76000

Hexadecimal: -25f80

Square: 24186470400

Square Root: 394.3602414037196

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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. cos(x·tan(x)), even terms only. A9080

Number of 6-ary Lyndon words of length n with trace 3 and subtrace 5 over Z₆. A74445

Number of 6-ary Lyndon words of length n with trace 1 and subtrace 5 over Z₆. A74433

a(n) is the n-th sextic factorial number divided by 6. A34788

Number of subsets of {2...n} containing every element of {2...n} whose prime indices all belong to the subset. A324737

Positive integers k = p₁^e_1·p₂^e_2·p₃^e_3, such that the points (p₁, e₁), (p₂, e₂) and (p₃, e₃) lie on a straight line with nonzero slope. A389340

A multiplicative encoding (compressed) for the exponents of 2 obtained when using Shevelev's algorithm for computing A002326. A292265

Numbers i such that Fibonacci(i) is divisible by i, i+1, i+2, and i+3. A298685

Values of φ in arithmetic progression of at least 6 terms having the same value of φ in A050518. A50520

Triangle read by rows. T(n, k) = kⁿ * BellPolynomial(n, k). A350257