Properties of the Number 65875

Sixty-Five Thousand Eight Hundred Seventy-Five

Basics

Value: 65874 → 65875 → 65876

Parity: odd

Prime: No

Previous Prime: 65867

Next Prime: 65881

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 5 ³ × 17 × 31

Divisors: 1, 5, 17, 25, 31, 85, 125, 155, 425, 527

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000000101010011

Octal: 200523

Duodecimal: 32157

Hexadecimal: 10153

Square: 4339515625

Square Root: 256.66125535421196

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) is the smallest integer > a(n-1) such that {π^a(n)} < {π^a(n-1)}, where {x} = x - floor(x), a(1)=1. A137994

Value of n such that for any value of n, πⁿ is closer to its nearest integer than any value of π^k for 1 <= k < n. A80052

Numbers k such that the fractional part of π^k is less than 1/k. A153710

Number of partitions of [n] such that the element sum of each block is one more than a multiple of five. A375940

Egyptian fraction representation of sqrt(50) (A010503) using a greedy function. A248275

Distribute the primes into groups in ascending order, with the n-th group having prime(n) elements. Then a(n) is the sum of the numbers in the n-th group times the number of elements in the group. A320228

Numbers k such that k⁶ == 1 (mod 7⁵). A56103

Greatest number m such that the fractional part of π^A153710(n) <= 1/m. A153714

Greatest number m such that the fractional part of π^A137994(n) <= 1/m. A153713

Numbers k such that usigma(φ(k)) is a prime. A65875