Properties of the Number 28995

Twenty-Eight Thousand Nine Hundred Ninety-Five

Basics

Value: 28994 → 28995 → 28996

Parity: odd

Prime: No

Previous Prime: 28979

Next Prime: 29009

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 1933

Divisors: 1, 3, 5, 15, 1933, 5799, 9665, 28995

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111000101000011

Octal: 70503

Duodecimal: 14943

Hexadecimal: 7143

Square: 840710025

Square Root: 170.2791825209412

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

Second numbers F = a(n) of two non-consecutive numbers (E, F) different from (C, D) = (A352222(n), A352223(n)), such that the sums of their cubes are equal to centered cube numbers and to at least one other sum of two cubes, i.e. A = B³ + (B+1)³ = C³ + D³ = E³ + F³. A352225

Numbers k such that 2·k+1, 4·k+1, 8·k+1 and 16·k+1 are primes. A124412

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 537", based on the 5-celled von Neumann neighborhood. A282978

Number of primes with number of 0-bits <= number of 1-bits (A095074) in range ]2ⁿ,2ⁿ⁺¹]. A95054

Number of A095316-primes in range [2ⁿ,2ⁿ⁺¹]. A95326

Numbers k such that 2·k+1, 4·k+1, 8·k+1, 16·k+1 and 32·k+1 are primes. A124413

Number of integer partitions of n with parts colored by {0, 1, 2, 3} such that the sum of colors is congruent to 1 (mod 4). A387957

Number of orbits of size n in vertex graph of Lucas cube Lambda_n. A250114

Numbers n with the property that k·n and (k+1)*n have a common nonzero digit for all k. A308466

Positions of zero in the infinite audioactive word, A088205, which shifts left under "Look and Say" method A, starting with a(1)=0. A88206