Properties of the Number -3145725

One Hundred Forty-Five Thousand Seven Hundred Twenty-Five

Basics

Value: -3145726 → -3145725 → -3145724

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 ² × 11 × 31 × 41

Divisors: 1, 3, 5, 9, 11, 15, 25, 31, 33, 41

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -1011111111111111111101

Octal: -13777775

Duodecimal: -1078539

Hexadecimal: -2ffffd

Square: 9895585775625

Square Root: 1773.6191812223954

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

First differences of A158916. A158926

G.f.: (x+2)*(x+1)/((x-1)*(x-2)) = ∑_n>=0 a(n)*(x/2)ⁿ. A68156

New record highs reached in A060030. A60482

a(n) = a(n-1) + 2·a(n-2) - 2·a(n-3). A136252

a(2·k) = 3·2^k - 3, a(2·k+1) = 2^k+2 - 3. A354788

Number of distinct self-dual normal bases for GF(2ⁿ) over GF(2). A135488

Numbers whose binary representation is a palindrome formed from the reflected decimal expansion of the concatenation of 1, 0 and infinite digits 1. A147758

Indices of records in A389240. A386819

Number of reduced words of length n in Coxeter group on 3 generators S_i with relations (S_i)² = (S_i S_j)²¹ = I. A168872