Properties of the Number 75545

Seventy-Five Thousand Five Hundred Forty-Five

Basics

Value: 75544 → 75545 → 75546

Parity: odd

Prime: No

Previous Prime: 75541

Next Prime: 75553

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 29 × 521

Divisors: 1, 5, 29, 145, 521, 2605, 15109, 75545

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010011100011001

Octal: 223431

Duodecimal: 37875

Hexadecimal: 12719

Square: 5707047025

Square Root: 274.85450696686786

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

Number of Schur rings over Z_3ⁿ. A270785

a(n) = n⁹ + 8·n⁸ + 43·n⁷ + 159·n⁶ + 452·n⁵ + 997·n⁴ + 1725·n³ + 2272·n² + 1990·n + 21. A270873

Array T(n,k) of number of Schur rings over Z_pⁿ where n>=1 for p odd and k-th prime (by descending antidiagonals). A320948

Number of connected circulant graphs on n nodes. A75545