Properties of the Number -145020

One Hundred Forty-Five Thousand Twenty

Basics

Value: -145021 → -145020 → -145019

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 2417

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -100011011001111100

Octal: -433174

Duodecimal: -6BB10

Hexadecimal: -2367c

Square: 21030800400

Square Root: 380.8149156742682

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

Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,37. A64255

Expansion of ∏_{i>=1, j>=1, k>=1} ((1 + x^i·j*k)/(1 - x^i·j*k))^i·j*k. A318764

Number of permutations of floor(i·8/7), i=0..n-1, with all sums of 3 adjacent terms unique. A152327