Properties of the Number -152145

One Hundred Fifty-Two Thousand One Hundred Forty-Five

Basics

Value: -152146 → -152145 → -152144

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 7 ² × 23

Divisors: 1, 3, 5, 7, 9, 15, 21, 23, 27, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100101001001010001

Octal: -451121

Duodecimal: -74069

Hexadecimal: -25251

Square: 23148101025

Square Root: 390.0576880411409

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

Inverse Euler transform applied once to {1,-1,0,0,0,...}, twice to {1,0,0,0,0,...}, or three times to {1,1,1,1,1,...}. A320767

Number of aperiodic binary necklaces of length n with no subsequence 00, excluding the necklace "0". A6206

Number of orbits of length n under the map whose periodic points are counted by A001350. A60280

Exponents in expansion of constant A065463 as ∏_n>1 ζ(n)^-a(n). A65490

Triangle read by rows: T(n,k) is the number of labeled forests with n trees and 2n nodes and with the largest tree having at most k nodes, (n>=1, 2<=k<=n+1). A332961