Properties of the Number 75117

Seventy-Five Thousand One Hundred Seventeen

Basics

Value: 75116 → 75117 → 75118

Parity: odd

Prime: No

Previous Prime: 75109

Next Prime: 75133

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 ³ × 73

Divisors: 1, 3, 7, 21, 49, 73, 147, 219, 343, 511

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010010101101101

Octal: 222555

Duodecimal: 37579

Hexadecimal: 1256d

Square: 5642563689

Square Root: 274.0748073063265

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

24 'Reverse and Add' steps are needed to reach a palindrome. A65318

Numerators of "Farey fraction" approximations to e. A119014

Numerators of approximations to e. A6258

Numerators of the other-side convergents to e. A259589

Number of (5+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically. A258558

Concatenation of the 5 prime factors of composite a(n) is a palindrome. A46454

Numbers k which when sandwiched between two 7's give a multiple of k. A116442

Table by antidiagonals of generalized Lucas numbers: T(n,k) = T(n,k-1) + n·T(n,k-2) with T(n,0)=2 and T(n,1)=1. A75117

Least splitter of n-th and (n+1)st partial sums of 1/0! + 1/1! + ... + 1/n! + ... = e. A227777