Properties of the Number -420175

Four Hundred Twenty Thousand One Hundred Seventy-Five

Basics

Value: -420176 → -420175 → -420174

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 7 ⁵

Divisors: 1, 5, 7, 25, 35, 49, 175, 245, 343, 1225

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1100110100101001111

Octal: -1464517

Duodecimal: -1831A7

Hexadecimal: -6694f

Square: 176547030625

Square Root: 648.2090712108247

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

Triangle read by rows: coefficients T(n,k) of a binomial decomposition of 2ⁿ-1 as Sum(k=0..n)T(n,k)*binomial(n,k). A244126

Numbers of the form 5ⁱ*7^j with i, j >= 0. A3595

Numbers whose prime factors are 5 and 7. A33851

T(n,k)=Number of n X n 0..k arrays with corresponding row and column sums equal. A229870

Twisted variant of A276086 indexed by A328626. A328627

Triangle of numbers related to rooted trees and unrooted planar trees. A56856

a(n) = n⁵*(n² + 1)/2. A168364

Triangular array T; for n>0, row n shows the coefficients of a reduced polynomial having zeros -k/(n+1) for k=1,2,...,n. A203904

Partition array in Abramowitz-Stegun order for the number of ways of putting n stones into a rectangular m X n grid of squares such that each of the m rows contains at least one stone. A258152

Irregular triangle T(n, k) = ∏_i=1..n prime(i)^{k mod prime(i}), with n >= 0, and 0 <= k < A002110(n), read by rows. A391933