Properties of the Number -156145

One Hundred Fifty-Six Thousand One Hundred Forty-Five

Basics

Value: -156146 → -156145 → -156144

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 11 × 17 × 167

Divisors: 1, 5, 11, 17, 55, 85, 167, 187, 835, 935

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110000111110001

Octal: -460761

Duodecimal: -76441

Hexadecimal: -261f1

Square: 24381261025

Square Root: 395.15186953878884

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

G.f.: exp( ∑_n>=1 xⁿ/n * ∏_k>=1 (1 + x^n·k*(1 + x^k)ⁿ) ). A218576

Square array A(n,k), n>=0, k>=0, read by antidiagonals downwards, where column k is the expansion of 1/(1 - k·x) * ∏_j=0..k-1 (1 + j·x)/(1 - j·x). A383818

28-gonal pyramidal numbers: a(n) = n*(n+1)*(26·n-23)/6. A256648

a(n) = [xⁿ] 1/(1 - n·x) * ∏_k=0..n-1 (1 + k·x)/(1 - k·x). A383839