Properties of the Number 575

Five Hundred Seventy-Five

Basics

Value: 574 → 575 → 576

Parity: odd

Prime: No

Previous Prime: 571

Next Prime: 577

Digit Sum: 17

Digital Root: 8

Palindrome: Yes

Factorization: 5 ² × 23

Divisors: 1, 5, 23, 25, 115, 575

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000111111

Octal: 1077

Duodecimal: 3BB

Hexadecimal: 23f

Square: 330625

Square Root: 23.979157616563597

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

a(n) = n*(n+2) = (n+1)² - 1. A5563

Number of partitions of n into parts 5k+1 or 5k+4. A3114

Square array of Delannoy numbers D(i,j) (i >= 0, j >= 0) read by antidiagonals. A8288

Antisigma(n): Sum of the numbers less than n that do not divide n. A24816

Number of partitions of n into nonzero triangular numbers. A7294

Number of non-Look-and-Say partitions of n. Number of integer partitions of n such that there is no way to choose a disjoint strict integer partition of each multiplicity. A351293

Numbers k such that the sum of the squares of the first k primes is divisible by k. A111441

Centered octahedral numbers (crystal ball sequence for cubic lattice). A1845

Numerator of 1/4 - 1/n². A61037

a(n) = C(n,1) + C(n,2) + C(n,3), or n*(n² + 5)/6. A4006