Properties of the Number 87153

Eighty-Seven Thousand One Hundred Fifty-Three

Basics

Value: 87152 → 87153 → 87154

Parity: odd

Prime: No

Previous Prime: 87151

Next Prime: 87179

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 19 × 139

Divisors: 1, 3, 11, 19, 33, 57, 139, 209, 417, 627

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010001110001

Octal: 252161

Duodecimal: 42529

Hexadecimal: 15471

Square: 7595645409

Square Root: 295.21686943669056

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

Icosahedral numbers: a(n) = n*(5·n² - 5·n + 2)/2. A6564

Number of forests of rooted trees of nonempty sets with n points. (Each node is a set of 1 or more points.) A52855

A Jacobsthal convolution. A113726

Terms of A073872 that do not change their position in the rearrangement; i.e., values of A073872(n) which equal n(n+1)/2. A73873

Triangular numbers which are an average of four consecutive primes. A226196

Maximum water retention of a number octagon of order n. A260302

Number of inversion sequences of length n where all consecutive subsequences i,j,k satisfy i > j < k or i < j > k. A326308

Numbers that are both triangular and icosahedral. A307174

Concatenation of triangular number k and its 10's complement is prime. A108970

Hexagonal numbers that are products of exactly four distinct primes. A381920