Properties of the Number 99889

Ninety-Nine Thousand Eight Hundred Eighty-Nine

Basics

Value: 99888 → 99889 → 99890

Parity: odd

Prime: No

Previous Prime: 99881

Next Prime: 99901

Digit Sum: 43

Digital Root: 7

Palindrome: No

Factorization: 23 × 43 × 101

Divisors: 1, 23, 43, 101, 989, 2323, 4343, 99889

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000011000110001

Octal: 303061

Duodecimal: 49981

Hexadecimal: 18631

Square: 9977812321

Square Root: 316.05221087662085

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

Smallest multiple of n whose digits sum to n. A2998

Smallest proper multiple of n with digit sum n. A69035

a(n) is the least nonnegative number whose digits do not appear in order (not necessarily consecutively) in the concatenation of all previous terms. A308540

Smallest multiple of n with two or more digits, none of them zeros, whose digit sum equals n, or 0 if no such multiple exists. A77754

Numbers m that divide A306070(m) = ∑_k=1..m bphi(k), where bphi is the bi-unitary totient function (A116550). A356747

a(n) is the smallest number which is divisible by n, is not equal to n and its digital sum is also divisible by n. A163502

Smallest multiple of prime(n) whose digits sum is divisible by prime(n). A256886

a(n) is n in binary rendered as a base-10 number minus n in ternary rendered as a base-10 number. A347111

XOR difference triangle of the odd numbers, read by rows. A99889

Lexicographically earliest sequence of distinct terms > 0 such that the sum a(n) + a(n+1) is a substring of the concatenation (a(n), a(n+1)). A359482