Properties of the Number -156009

One Hundred Fifty-Six Thousand Nine

Basics

Value: -156010 → -156009 → -156008

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 17 × 19 × 23

Divisors: 1, 3, 7, 17, 19, 21, 23, 51, 57, 69

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110000101101001

Octal: -460551

Duodecimal: -76349

Hexadecimal: -26169

Square: 24338808081

Square Root: 394.9797463161877

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+2)*(n+4)*(n+6). A190577

a(n) = (4·n+1)*(4·n+3)*(4·n+5)*(4·n+7). A154633

G.f.: ∏_k>=1 (1 + 2·x^k²) / (1-x^k). A280224

Seventh column of (1,5)-Pascal triangle A096940. A96944

a(1) = 1 and for any n > 1, if A330647(n) divides a(n-1) then a(n) = a(n-1) / A330647(n), otherwise a(n) = a(n-1) * A330647(n). A330648

Numbers such that the sum of prime factors without repetition divides the product of prime factors without repetition and each division yields a greater quotient. A380487

a(n) = (8·n+1)*(8·n+3)*(8·n+5)*(8·n+7). A1546

Denominator of -16/((n+2)*n*(n-2)*(n-4)). A117465

Numbers k such that the sum of the distinct prime divisors of k equals three times the largest prime divisor of k. A200090

a(n) = binomial(n²,3)/(2·n). A201106